record
| Common Name | County | Date | Observer(s) | Number | Comments | |
| 1 Horace's Duskywing | Durham | ? | SPH | 1 | ||
| 2 Horace's Duskywing | Durham | 1993-05-15 | Pullmans | 1 | ||
| 3 Horace's Duskywing | Durham | 1993-05-25 | Pullmans | 1 | ||
| 4 Horace's Duskywing | Durham | 1993-06-05 | Pullmans | 1 | ||
| 5 Horace's Duskywing | Durham | 1993-06-15 | Pullmans | 1 | ||
| 6 Horace's Duskywing | Durham | 1993-06-25 | Pullmans | 1 | ||
| 7 Horace's Duskywing | Durham | 1993-07-05 | Pullmans | 1 | ||
| 8 Horace's Duskywing | Durham | 1993-07-10 | HEL | 2 | ||
| 9 Horace's Duskywing | Durham | 1993-07-15 | Pullmans | 1 | ||
| 10 Horace's Duskywing | Durham | 1993-07-25 | Pullmans | 1 | ||
| 11 Horace's Duskywing | Durham | 1993-08-05 | Pullmans | 1 | ||
| 12 Horace's Duskywing | Durham | 1993-08-15 | Pullmans | 1 | ||
| 13 Horace's Duskywing | Durham | 1993-08-25 | Pullmans | 1 | ||
| 14 Horace's Duskywing | Durham | 1993-09-05 | Pullmans | 1 | ||
| 15 Horace's Duskywing | Durham | 1993-09-15 | Pullmans | 1 | ||
| 16 Horace's Duskywing | Durham | 1993-09-25 | Pullmans | 1 | ||
| 17 Horace's Duskywing | Durham | 1993-10-05 | Pullmans | 1 | ||
| 18 Horace's Duskywing | Durham | 1994-06-25 | Pullmans | 1 | ||
| 19 Horace's Duskywing | Durham | 1994-07-05 | Pullmans | 1 | ||
| 20 Horace's Duskywing | Durham | 1994-07-15 | Pullmans | 1 | ||
| 21 Horace's Duskywing | Durham | 1994-07-25 | Pullmans | 1 | ||
| 22 Horace's Duskywing | Durham | 1994-08-05 | Pullmans | 1 | ||
| 23 Horace's Duskywing | Durham | 1994-08-13 | HEL | 1 | ||
| 24 Horace's Duskywing | Durham | 1994-08-15 | Pullmans | 1 | ||
| 25 Horace's Duskywing | Durham | 1994-08-25 | Pullmans | 1 | ||
| 26 Horace's Duskywing | Durham | 1994-09-15 | Pullmans | 1 | ||
| 27 Horace's Duskywing | Durham | 1995-06-25 | Pullmans | 1 | ||
| 28 Horace's Duskywing | Durham | 1995-07-15 | Pullmans | 1 | ||
| 29 Horace's Duskywing | Durham | 1995-07-25 | Pullmans | 1 | ||
| 30 Horace's Duskywing | Durham | 1995-08-05 | Pullmans | 1 | ||
| 31 Horace's Duskywing | Durham | 1995-08-13 | J. Pippen | 1 | ||
| 32 Horace's Duskywing | Durham | 1995-08-15 | Pullmans | 1 | ||
| 33 Horace's Duskywing | Durham | 1995-08-31 | J. Pippen | 1 | ||
| 34 Horace's Duskywing | Durham | 1995-09-14 | J. Pippen | 1 | ||
| 35 Horace's Duskywing | Durham | 1996-05-05 | HEL | 1 | ||
| 36 Horace's Duskywing | Durham | 1996-06-11 | J. Pippen | 1 | ||
| 37 Horace's Duskywing | Durham | 1996-06-25 | J. Pippen | 1 | ||
| 38 Horace's Duskywing | Durham | 1996-06-25 | Pullmans | 1 | ||
| 39 Horace's Duskywing | Durham | 1996-07-15 | Pullmans | 1 | ||
| 40 Horace's Duskywing | Durham | 1996-07-25 | J. Pippen | 2 | ||
| 41 Horace's Duskywing | Durham | 1996-07-25 | Pullmans | 1 | ||
| 42 Horace's Duskywing | Durham | 1996-07-26 | J. Pippen | 1 | ||
| 43 Horace's Duskywing | Durham | 1996-07-29 | J. Pippen | 1 | ||
| 44 Horace's Duskywing | Durham | 1996-08-05 | Pullmans | 1 | ||
| 45 Horace's Duskywing | Durham | 1996-08-10 | J. Pippen | 9 | ||
| 46 Horace's Duskywing | Durham | 1996-08-16 | J. Pippen | 2 | ||
| 47 Horace's Duskywing | Durham | 1997-04-07 | J. Pippen | 1 | ||
| 48 Horace's Duskywing | Durham | 1997-04-20 | HEL | 5 | ENRI | |
| 49 Horace's Duskywing | Durham | 1998-05-25 | L. Pullman | 1 | ||
| 50 Horace's Duskywing | Durham | 1998-06-15 | L. Pullman | 1 | ||
| 51 Horace's Duskywing | Durham | 1998-06-25 | J. Pippen | 2 | ||
| 52 Horace's Duskywing | Durham | 1998-06-28 | R. Emmitt | 2 | ||
| 53 Horace's Duskywing | Durham | 1998-07-04 | J. Pippen | 1 | ||
| 54 Horace's Duskywing | Durham | 1998-07-05 | R. Emmitt | 6 | ||
| 55 Horace's Duskywing | Durham | 1998-07-05 | L. Pullman | 1 | ||
| 56 Horace's Duskywing | Durham | 1998-07-06 | L. Pullman | 1 | ||
| 57 Horace's Duskywing | Durham | 1998-07-15 | L. Pullman | 1 | ||
| 58 Horace's Duskywing | Durham | 1998-07-15 | J. Pippen | 2 | ||
| 59 Horace's Duskywing | Durham | 1998-07-17 | J. Pippen | 1 | ||
| 60 Horace's Duskywing | Durham | 1998-07-21 | Pullmans | 1 | ||
| 61 Horace's Duskywing | Durham | 1998-07-21 | J. Pippen | 3 | ||
| 62 Horace's Duskywing | Durham | 1998-07-25 | L. Pullman | 1 | ||
| 63 Horace's Duskywing | Durham | 1998-07-30 | HEL | 1 | ||
| 64 Horace's Duskywing | Durham | 1998-08-05 | L. Pullman | 1 | ||
| 65 Horace's Duskywing | Durham | 1998-08-15 | L. Pullman | 1 | ||
| 66 Horace's Duskywing | Durham | 1998-08-16 | HEL | 3 | ||
| 67 Horace's Duskywing | Durham | 1998-08-25 | L. Pullman | 1 | ||
| 68 Horace's Duskywing | Durham | 1998-08-26 | J. Pippen | 1 | ||
| 69 Horace's Duskywing | Durham | 1999-07-05 | R. Emmitt | 1 | FALA | |
| 70 Horace's Duskywing | Durham | 1999-07-17 | HEL | 3 | Hill Forest | |
| 71 Horace's Duskywing | Durham | 1999-08-13 | J. Pippen | 1 | ||
| 72 Horace's Duskywing | Durham | 1999-08-14 | J. Pippen | 7 | ||
| 73 Horace's Duskywing | Durham | 1999-08-15 | J. Pippen | 1 | ||
| 74 Horace's Duskywing | Durham | 2000-04-23 | HEL | 2 | Hill Forest | |
| 75 Horace's Duskywing | Durham | 2000-07-29 | J. Pippen | 3 | Life and Science Museum | |
| 76 Horace's Duskywing | Durham | 2000-08-09 | T. Krakauer | 1 | ||
| 77 Horace's Duskywing | Durham | 2000-08-19 | J. Pippen | 44 | ||
| 78 Horace's Duskywing | Durham | 2001-04-29 | HEL | 6 | Hill Forest | |
| 79 Horace's Duskywing | Durham | 2001-07-14 | T. Krakauer | 0 | yard | |
| 80 Horace's Duskywing | Durham | 2001-07-21 | T. Krakauer | 1 | ||
| 81 Horace's Duskywing | Durham | 2001-08-02 | T. Krakauer | 2 | Quail Roost | |
| 82 Horace's Duskywing | Durham | 2001-08-07 | J. Pippen | 1 | ||
| 83 Horace's Duskywing | Durham | 2001-08-12 | J. Pippen | 32 | ||
| 84 Horace's Duskywing | Durham | 2001-09-02 | T. Krakauer | 2 | ||
| 85 Horace's Duskywing | Durham | 2002-04-21 | T. Krakauer | 1 | yard | |
| 86 Horace's Duskywing | Durham | 2002-05-02 | Bockhahn | 0 | FALA | |
| 87 Horace's Duskywing | Durham | 2002-05-23 | R. Emmitt | 1 | ENRI | |
| 88 Horace's Duskywing | Durham | 2002-06-30 | Burnette | 5 | ||
| 89 Horace's Duskywing | Durham | 2002-07-09 | Krakauer | 4 | yard | |
| 90 Horace's Duskywing | Durham | 2002-07-18 | R. Emmitt | 7 | ||
| 91 Horace's Duskywing | Durham | 2002-07-22 | Pippen | 6 | Duke Gardens | |
| 92 Horace's Duskywing | Durham | 2002-08-17 | Pippen | 45 | ||
| 93 Horace's Duskywing | Durham | 2003-05-10 | Krakauer | 2 | yard | |
| 94 Horace's Duskywing | Durham | 2003-07-11 | T. Krakauer | 1 | yard | |
| 95 Horace's Duskywing | Durham | 2003-07-21 | T. Krakauer | 3 | yard | |
| 96 Horace's Duskywing | Durham | 2003-08-10 | Rittmaster | 1 | yard | |
| 97 Horace's Duskywing | Durham | 2003-08-17 | R. Emmitt | 21 | ||
| 98 Horace's Duskywing | Durham | 2003-09-06 | R. Emmitt | 1 | ||
| 99 Horace's Duskywing | Durham | 2004-04-18 | T. Krakauer | 1 | yard | |
| 100 Horace's Duskywing | Durham | 2004-07-15 | J. Pippen | 10 | ||
| 101 Horace's Duskywing | Durham | 2004-07-17 | J. Pippen | 1 | yard | |
| 102 Horace's Duskywing | Durham | 2004-07-18 | R. Emmitt | 13 | FALA - Brickhouse Road | |
| 103 Horace's Duskywing | Durham | 2004-07-18 | D. Pugh | 0 | yard | |
| 104 Horace's Duskywing | Durham | 2004-07-18 | J. Pippen | 3 | ||
| 105 Horace's Duskywing | Durham | 2004-07-19 | J. Pippen | 8 | ||
| 106 Horace's Duskywing | Durham | 2004-07-20 | Krakauer | 2 | yard | |
| 107 Horace's Duskywing | Durham | 2005-07-03 | J. Pippen | 1 | Eno River | |
| 108 Horace's Duskywing | Durham | 2005-07-24 | J. Pippen | 12 | Duke Gardens | |
| 109 Horace's Duskywing | Durham | 2005-08-21 | J. Pippen | 2 | ||
| 110 Horace's Duskywing | Durham | 2005-09-17 | D. Pugh | 2 | Duke Gardens | |
| 111 Horace's Duskywing | Durham | 2005-09-25 | HEL | 2 | Duke Gardens | |
| 112 Horace's Duskywing | Durham | 2006-07-09 | R. Emmitt | 0 | Duke Gardens | |
| 113 Horace's Duskywing | Durham | 2006-08-13 | R. Emmitt | 6 | ||
| 114 Horace's Duskywing | Durham | 2006-08-20 | J. Pippen | 5 | Durham Butterfly Count | |
| 115 Horace's Duskywing | Durham | 2006-08-29 | J. Pippen | 2 | Duke Forest | |
| 116 Horace's Duskywing | Durham | 2006-09-19 | J. Pippen | 1 | Duke Gardens | |
| 117 Horace's Duskywing | Durham | 2007-06-23 | T. Krakauer | 2 | Quail Roost area | |
| 118 Horace's Duskywing | Durham | 2007-07-07 | R. Emmitt | 2 | Butner Game Land | |
| 119 Horace's Duskywing | Durham | 2007-07-31 | Jeffrey Pippen | 2 | Duke Gardens | |
| 120 Horace's Duskywing | Durham | 2007-09-16 | HEL | 2 | Sarah Duke Gardens | |
| 121 Horace's Duskywing | Durham | 2007-09-17 | Jeffrey Pippen | 1 | Duke Gardens | |
| 122 Horace's Duskywing | Durham | 2007-09-30 | Jeffrey Pippen | 1 | Duke Gardens | |
| 123 Horace's Duskywing | Durham | 2007-10-17 | Jeffrey Pippen, Lindsey Smart, Lace | 1 | Duke Gardens | |
| 124 Horace's Duskywing | Durham | 2008-06-20 | Jeffrey Pippen | 2 | Duke University West Campus | |
| 125 Horace's Duskywing | Durham | 2008-07-01 | Jeffrey Pippen | 2 | Duke University West Campus | |
| 126 Horace's Duskywing | Durham | 2008-07-22 | Jeffrey Pippen | 2 | Duke Gardens | |
| 127 Horace's Duskywing | Durham | 2008-07-25 | Jeffrey Pippen | 1 | Duke University West Campus | |
| 128 Horace's Duskywing | Durham | 2008-08-08 | Jeffrey Pippen | 3 | Duke Gardens | |
| 129 Horace's Duskywing | Durham | 2008-08-10 | J. Pippen | 29 | Durham Butterfly Count | |
| 130 Horace's Duskywing | Durham | 2008-08-14 | Jeffrey Pippen | 1 | Duke Gardens | |
| 131 Horace's Duskywing | Durham | 2008-08-15 | Jeffrey Pippen | 1 | Duke West Campus | |
| 132 Horace's Duskywing | Durham | 2008-08-25 | R. Stickney | 1 | Duke Gardens | |
| 133 Horace's Duskywing | Durham | 2008-09-05 | Jeffrey Pippen | 3 | Duke Gardens | |
| 134 Horace's Duskywing | Durham | 2008-09-07 | HEL | 1 | Sarah Duke Gardens | |
| 135 Horace's Duskywing | Durham | 2008-09-15 | R. Stickney | 3 | Sarah Duke Gardens | |
| 136 Horace's Duskywing | Durham | 2009-06-21 | W. Cook | 1 | FALA -- Willie Duke's Bluff | |
| 137 Horace's Duskywing | Durham | 2009-06-28 | Jeffrey Pippen, Julia Gruber, Grant | 2 | Hwy 54 impoundments | |
| 138 Horace's Duskywing | Durham | 2009-07-26 | R. Emmitt | 8 | FALA -- Brickhouse Road area | |
| 139 Horace's Duskywing | Durham | 2009-08-08 | J. Pippen | 12 | Sarah Duke Gardens | |
| 140 Horace's Duskywing | Durham | 2009-08-09 | J. Pippen | 15 | Sarah Duke Gardens | |
| 141 Horace's Duskywing | Durham | 2009-08-16 | J. Pippen | 21 | Durham County count | |
| 142 Horace's Duskywing | Durham | 2009-09-06 | J. Pippen | 3 | Duke Gardens - NicNat hike | |
| 143 Horace's Duskywing | Durham | 2009-09-13 | W. Cook | 2 | FALA - Flat River Impoundment | |
| 144 Horace's Duskywing | Durham | 2009-09-29 | J. Pippen | 2 | Duke Gardens | |
| 145 Horace's Duskywing | Durham | 2010-07-18 | J. Pippen | 1 | yard | |
| 146 Horace's Duskywing | Durham | 2010-07-26 | R. Stickney | 3 | Duke Gardens | |
| 147 Horace's Duskywing | Durham | 2010-08-15 | J. Pippen | 21 | Durham County butterfly count | |
| 148 Horace's Duskywing | Durham | 2010-08-23 | R. Stickney | 10 | Duke Forest -- NC 751 powerline clearing | |
| 149 Horace's Duskywing | Durham | 2010-09-08 | J. Pippen | 3 | Duke University West Campus | |
| 150 Horace's Duskywing | Durham | 2010-09-15 | J. Pippen | 1 | Duke University West Campus | |
| 151 Horace's Duskywing | Durham | 2011-06-26 | Pippen | 1 | yard | |
| 152 Horace's Duskywing | Durham | 2011-07-03 | R. Stickney | 0 | ENRI - Fews Ford Section | |
| 153 Horace's Duskywing | Durham | 2011-07-17 | D. Pugh | 1 | FALA - Flat River Impoundment | |
| 154 Horace's Duskywing | Durham | 2011-07-27 | Pippen | 1 | yard | |
| 155 Horace's Duskywing | Durham | 2011-08-01 | R. Stickney | 0 | FALA - Penny's Bend | |
| 156 Horace's Duskywing | Durham | 2011-08-14 | J. Pippen | 14 | Durham County butterfly count | |
| 157 Horace's Duskywing | Durham | 2011-08-20 | R. Stickney | 0 | FALA - Flat River Impoundment | |
| 158 Horace's Duskywing | Durham | 2012-07-29 | M. Turner | 2 | FALA - Brickhouse Rd. impoundments | |
| 159 Horace's Duskywing | Durham | 2012-08-17 | R. Emmitt | 1 | FALA -- Flat River Impoundment | |
| 160 Horace's Duskywing | Durham | 2012-09-09 | W. Cook | 1 | FALA -- Brickhouse Rd | |
| 161 Horace's Duskywing | Durham | 2012-09-09 | R. Emmitt | 1 | FALA - Flat River Impoundment | |
| 162 Horace's Duskywing | Durham | 2012-09-22 | R. Emmitt | 1 | FALA - Brickhouse Road | |
| 163 Horace's Duskywing | Durham | 2013-07-05 | Pippen | 1 | Regiment Way yard | |
| 164 Horace's Duskywing | Durham | 2013-07-06 | J. Pippen | 1 | yard in Durham | |
| 165 Horace's Duskywing | Durham | 2013-07-07 | Pippen | 2 | Regiment Way yard | |
| 166 Horace's Duskywing | Durham | 2013-07-09 | Pippen | 1 | Regiment Way yard | |
| 167 Horace's Duskywing | Durham | 2013-08-10 | Pippen | 2 | Regiment Way yard | |
| 168 Horace's Duskywing | Durham | 2013-08-18 | J. Pippen et al. | 19 | Durham County butterfly count | |
| 169 Horace's Duskywing | Durham | 2014-06-07 | M. Turner | 1 | JORD -- New Hope Waterfowl Impoundment | |
| 170 Horace's Duskywing | Durham | 2014-06-23 | M. Turner | 2 | FALA - Patterson Road Waterfowl Impoundment | |
| 171 Horace's Duskywing | Durham | 2014-07-01 | M. Turner | 2 | JORD -- Stagecoach Road Waterfowl Impoundment | |
| 172 Horace's Duskywing | Durham | 2014-08-17 | J. Pippen et al. | 18 | Durham County butterfly count | |
| 173 Horace's Duskywing | Durham | 2014-08-17 | B. Bockhahn | 6 | ||
| 174 Horace's Duskywing | Durham | 2015-05-30 | M. Turner | 1 | FALA - Flat River Impoundment | |
| 175 Horace's Duskywing | Durham | 2015-06-22 | J. Pippen | 1 | Regiment Way yard | |
| 176 Horace's Duskywing | Durham | 2015-06-25 | M. Turner | 4 | FALA - Patterson Road impoundment | |
| 177 Horace's Duskywing | Durham | 2015-08-16 | Pippen et al. | 14 | Durham butterfly count | |
| 178 Horace's Duskywing | Durham | 2015-08-16 | B. Bockhahn | 2 | FALA | |
| 179 Horace's Duskywing | Durham | 2016-07-23 | Cook, Emmitt | 8 | FALA -- Flat River Impoundment | |
| 180 Horace's Duskywing | Durham | 2016-08-07 | T. Krakauer | 1 | Little River area and yard | |
| 181 Horace's Duskywing | Durham | 2016-08-21 | J. Pippen et al. | 21 | Durham County butterfly count | |
| 182 Horace's Duskywing | Durham | 2016-09-16 | B. Bockhahn | 2 | FALA -- Flat River impoundment | |
| 183 Horace's Duskywing | Durham | 2017-05-28 | M. Turner | 8 | FALA -- Flat River Impoundment | |
| 184 Horace's Duskywing | Durham | 2017-06-04 | R. Stickney party | 2 | FALA -- Pennys Bend | |
| 185 Horace's Duskywing | Durham | 2017-07-02 | T. Krakauer | 1 | northern part of the county | |
| 186 Horace's Duskywing | Durham | 2017-08-09 | J. Pippen | 5 | Duke Forest, Durham Division | |
| 187 Horace's Duskywing | Durham | 2017-08-16 | J. Pippen | 7 | Duke Forest, Durham Division | |
| 188 Horace's Duskywing | Durham | 2017-08-20 | J. Pippen et al. | 14 | Durham County butterfly count | |
| 189 Horace's Duskywing | Durham | 2017-08-21 | J. Pippen | 3 | Duke Forest, Durham Division | |
| 190 Horace's Duskywing | Durham | 2017-09-04 | J. Pippen | 1 | Duke Forest, Durham Division | |
| 191 Horace's Duskywing | Durham | 2017-09-18 | J. Pippen | 1 | Duke Forest, Durham Division | |
| 192 Horace's Duskywing | Durham | 2017-09-27 | J. Pippen | 1 | Duke Forest, Durham Division | |
| 193 Horace's Duskywing | Durham | 2017-10-03 | J. Pippen | 1 | Duke Forest, Durham Division | |
| 194 Horace's Duskywing | Durham | 2018-07-08 | Matt Spangler | 1 | New Hope Creek (Durham) | |
| 195 Horace's Duskywing | Durham | 2018-07-09 | J. Pippen | 2 | Duke Forest | |
| 196 Horace's Duskywing | Durham | 2018-07-19 | J. Pippen | 1 | Duke Forest, Durham Division | |
| 197 Horace's Duskywing | Durham | 2018-07-26 | J. Pippen | 5 | Duke Forest, Durham Division | |
| 198 Horace's Duskywing | Durham | 2018-07-31 | J. Pippen | 2 | Duke Forest, Durham Division | |
| 199 Horace's Duskywing | Durham | 2018-08-08 | J. Pippen | 4 | Duke Forest -- Durham Division | |
| 200 Horace's Duskywing | Durham | 2018-08-17 | J. Pippen | 5 | Duke Forest -- Durham Division | |
| 201 Horace's Duskywing | Durham | 2018-08-19 | Pippen et al. | 28 | Durham County butterfly count | |
| 202 Horace's Duskywing | Durham | 2018-08-19 | B. Bockhahn | 6 | ||
| 203 Horace's Duskywing | Durham | 2018-08-23 | J. Pippen | 4 | Duke Forest | |
| 204 Horace's Duskywing | Durham | 2018-08-28 | J. Pippen | 3 | Duke Forest, Durham Division | |
| 205 Horace's Duskywing | Durham | 2018-09-06 | J. Pippen | 1 | Duke Forest | |
| 206 Horace's Duskywing | Durham | 2019-06-11 | Heather Russell | 2 | Sandy Creek Park - from eButterfly | |
| 207 Horace's Duskywing | Durham | 2019-06-30 | J. Pippen | 5 | Duke Forest Durham Division | |
| 208 Horace's Duskywing | Durham | 2019-07-02 | J. Pippen | 1 | Fidelity Campus, New Millenium Way | |
| 209 Horace's Duskywing | Durham | 2019-07-04 | J. Pippen | 19 | Duke Forest | |
| 210 Horace's Duskywing | Durham | 2019-07-13 | J. Pippen | 9 | Duke Forest Durham Division | |
| 211 Horace's Duskywing | Durham | 2019-07-21 | J. Pippen | 6 | Duke Forest Durham Division | |
| 212 Horace's Duskywing | Durham | 2019-07-27 | J. Pippen | 4 | Duke Forest Durham Division | |
| 213 Horace's Duskywing | Durham | 2019-08-03 | J. Pippen | 6 | Duke Forest Durham Division | |
| 214 Horace's Duskywing | Durham | 2019-08-11 | J. Pippen | 8 | Duke Forest | |
| 215 Horace's Duskywing | Durham | 2019-08-17 | J. Pippen | 5 | Duke Forest | |
| 216 Horace's Duskywing | Durham | 2019-08-18 | J. Pippen et al. | 44 | Durham County butterfly count | |
| 217 Horace's Duskywing | Durham | 2019-08-18 | B. Bockhahn | 14 | FALA - Flat River WI, durham butterfly count | |
| 218 Horace's Duskywing | Durham | 2019-09-07 | J. Pippen, F. Myers | 1 | Duke Forest | |
| 219 Horace's Duskywing | Durham | 2020-07-19 | J. Pippen | 3 | Duke Forest Durham Division Gate 10 | |
| 220 Horace's Duskywing | Durham | 2020-07-25 | J. Pippen | 2 | Duke Forest Durham Division Gate 10 | |
| 221 Horace's Duskywing | Durham | 2020-08-07 | HEL | 3 | Durham area | |
| 222 Horace's Duskywing | Durham | 2020-08-15 | J. Pippen | 3 | Duke Forest Durham Division Gate 10 | |
| 223 Horace's Duskywing | Durham | 2020-08-16 | J. Pippen et al. | 13 | Durham County butterfly count | |
| 224 Horace's Duskywing | Durham | 2020-08-19 | HEL, L. Arent, L. White | 3 | Flat River impoundment | |
| 225 Horace's Duskywing | Durham | 2020-08-22 | HEL, L. Arent, L. White | 7 | Hill Forest | |
| 226 Horace's Duskywing | Durham | 2020-08-23 | J. Pippen | 1 | Duke Forest Durham Division Gate 10 | |
| 227 Horace's Duskywing | Durham | 2020-08-30 | J. Pippen | 6 | Duke Forest Durham Division Gate 10 | |
| 228 Horace's Duskywing | Durham | 2020-09-05 | T. Krakauer | 1 | Croasdaile Village | |
| 229 Horace's Duskywing | Durham | 2021-04-04 | J. Pippen | 1 | Duke Forest Durham Division Gate 10 | |
| 230 Horace's Duskywing | Durham | 2021-07-04 | J. Pippen | 1 | Duke Forest Durham Division Gate 10 | |
| 231 Horace's Duskywing | Durham | 2021-07-17 | J. Pippen | 5 | Duke Forest Durham Division Gate 10 | |
| 232 Horace's Duskywing | Durham | 2021-07-25 | J. Pippen | 3 | Duke Forest Durham Division Gate 10 | |
| 233 Horace's Duskywing | Durham | 2021-07-31 | J. Pippen | 1 | Beauregard Lane | |
| 234 Horace's Duskywing | Durham | 2021-08-15 | J. Pippen et al. | 14 | Durham County butterfly count | |
| 235 Horace's Duskywing | Durham | 2021-08-15 | B. Bockhahn | 2 | FALA | |
| 236 Horace's Duskywing | Durham | 2021-08-19 | HEL, L. Arent | 4 | ||
| 237 Horace's Duskywing | Durham | 2021-08-21 | J. Pippen | 4 | Duke Forest Durham Division Gate 10 | |
| 238 Horace's Duskywing | Durham | 2021-09-05 | J. Pippen | 1 | Duke Forest Durham Division Gate 10 | |
| 239 Horace's Duskywing | Durham | 2021-09-12 | J. Pippen | 2 | Duke Forest Durham Division Gate 10 | |
| 240 Horace's Duskywing | Durham | 2022-07-09 | J. Pippen | 1 | Duke Forest Durham Division Gate 10 | |
| 241 Horace's Duskywing | Durham | 2022-07-11 | HEL, L. Arent | 18 | FALA -- Flat River impoundments | |
| 242 Horace's Duskywing | Durham | 2022-07-16 | J. Pippen | 2 | Duke Forest Durham Division Gate 10 | |
| 243 Horace's Duskywing | Durham | 2022-07-24 | J. Pippen | 9 | Duke Forest Durham Division Gate 10 | |
| 244 Horace's Duskywing | Durham | 2022-07-29 | HEL | 1 | FALA -- Flat River impoundments | |
| 245 Horace's Duskywing | Durham | 2022-07-30 | J. Pippen | 3 | Duke Forest Durham Division Gate 10 | |
| 246 Horace's Duskywing | Durham | 2022-08-07 | J. Pippen | 4 | Duke Forest Durham Division Gate 10 | |
| 247 Horace's Duskywing | Durham | 2022-08-13 | J. Pippen | 4 | Duke Forest Durham Division Gate 10 | |
| 248 Horace's Duskywing | Durham | 2022-08-14 | J. Pippen et al. | 22 | Durham County butterfly count | |
| 249 Horace's Duskywing | Durham | 2022-09-03 | J. Pippen | 1 | Duke Forest Durham Division Gate 10 | |
| 250 Horace's Duskywing | Durham | 2023-03-30 | HEL, L. Arent | 6 | FALA -- Flat River Impoundments | |
| 251 Horace's Duskywing | Durham | 2023-07-06 | L. Arent | 3 | FALA sites | |
| 252 Horace's Duskywing | Durham | 2023-07-06 | L. Arent | 1 | FALA -- Flat River waterfowl impoundments | |
| 253 Horace's Duskywing | Durham | 2023-08-07 | L. White, L. Arent. H. Legrand, J. Pippen | 6 | Brickhouse Rd Beaver Dam Loop | |
| 254 Horace's Duskywing | Durham | 2023-08-12 | L. Arent, A. Whitlock | 2 | FALA -- Flat River impoundments | |
| 255 Horace's Duskywing | Durham | 2023-08-13 | J. Pippen et al. | 34 | Durham butterfly count | |
| 256 Horace's Duskywing | Durham | 2023-08-16 | J. Pippen | 1 | Duke Forest | |
| 257 Horace's Duskywing | Durham | 2023-08-24 | J. Pippen, J. Hendrix | 1 | northeastern part of county | |
| 258 Horace's Duskywing | Durham | 2024-06-05 | Lori White | 2 | CarBMP record. Butner Game Land | |
| 259 Horace's Duskywing | Durham | 2024-06-19 | Lori White | 1 | CarBMP record. Butner Game Land | |
| 260 Horace's Duskywing | Durham | 2024-06-21 | Harry LeGrand | 1 | Horton Grove Nature Preserve | |
| 261 Horace's Duskywing | Durham | 2024-06-23 | Lori Arent | 4 | CarBMP record. Flat River Waterfowl Impoundment | |
| 262 Horace's Duskywing | Durham | 2024-06-25 | Lori White | 4 | CarBMP record. Butner Game Land | |
| 263 Horace's Duskywing | Durham | 2024-06-29 | Harry LeGrand, Lori Arent, Lori White | 12 | Horton Grove | |
| 264 Horace's Duskywing | Durham | 2024-06-29 | Lori Arent | 2 | CarBMP record. Flat River Waterfowl Impoundment | |
| 265 Horace's Duskywing | Durham | 2024-07-01 | Lori White | 1 | CarBMP record. Butner Game Land | |
| 266 Horace's Duskywing | Durham | 2024-07-09 | Jeff Pippen | 5 | CarBMP record. Duke Forest | |
| 267 Horace's Duskywing | Durham | 2024-07-14 | Lori White | 6 | CarBMP record. Butner Game Land | |
| 268 Horace's Duskywing | Durham | 2024-07-15 | Jeff Pippen | 3 | CarBMP record. Duke Forest | |
| 269 Horace's Duskywing | Durham | 2024-07-17 | Lori Arent | 11 | CarBMP record. Flat River Waterfowl Impoundment | |
| 270 Horace's Duskywing | Durham | 2024-07-20 | Lori White | 10 | CarBMP record. Butner Game Land | |
| 271 Horace's Duskywing | Durham | 2024-07-26 | David Bradley & Jeff Pippen | 3 | Santee Rd Preserve | |
| 272 Horace's Duskywing | Durham | 2024-07-27 | Harry LeGrand and Lori Arent | 17 | ||
| 273 Horace's Duskywing | Durham | 2024-07-27 | Lori Arent | 6 | CarBMP record. Flat River Waterfowl Impoundment | |
| 274 Horace's Duskywing | Durham | 2024-07-27 | Lori White | 15 | CarBMP record. Butner Game Land | |
| 275 Horace's Duskywing | Durham | 2024-07-31 | Jeff Pippen | 1 | CarBMP record. Duke Forest | |
| 276 Horace's Duskywing | Durham | 2024-08-01 | Lori White | 15 | CarBMP record. Butner Game Land | |
| 277 Horace's Duskywing | Durham | 2024-08-02 | Lori Arent | 1 | CarBMP record. Flat River Waterfowl Impoundment | |
| 278 Horace's Duskywing | Durham | 2024-08-26 | Lori Arent | 1 | CarBMP record. Flat River Waterfowl Impoundment | |
| 279 Horace's Duskywing | Durham | 2024-08-27 | Lori White | 3 | CarBMP record. Butner Game Land | |
| 280 Horace's Duskywing | Durham | 2024-08-29 | Dan Levine | 1 | CarBMP record. Carolina Arbors | |
| 281 Horace's Duskywing | Durham | 2024-08-30 | Jeff Pippen | 4 | CarBMP record. Duke Forest | |
| 282 Horace's Duskywing | Durham | 2024-09-01 | Lori White | 1 | CarBMP record. Butner Game Land | |
| 283 Horace's Duskywing | Durham | 2024-09-04 | Jeff Pippen | 1 | CarBMP record. Duke Forest | |
| 284 Horace's Duskywing | Durham | 2024-09-11 | Jeff Pippen | 2 | CarBMP record. Duke Forest |