Moths of North Carolina
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View PDFGeometridae Members: Hypomecis Members: 53 NC Records

Hypomecis longipectinaria A. Blanchard & Knudson, 1984 - Broadly Pectinate Hypomecis

Hypomecis longipectinariaHypomecis longipectinariaHypomecis longipectinaria
Taxonomy
Superfamily:
Geometroidea		 Family:
Geometridae		Subfamily:
Ennominae		Tribe:
Boarmiini		P3 Number:
91a1057		 MONA Number:
6439.10
Comments: One of five members of this genus that occur in North America (Rindge, 1973; Blanchard and Knudson, 1984). Four species have been recorded in North Carolina, although we regard gnophosaria and umbrosaria as conspecific.
Identification
Field Guide Descriptions: Online Resources: MPG, BugGuide, iNaturalist, Google, BAMONA, GBIF, BOLDTechnical Description, Adults: Blanchard and Knudon (1984)                                                                                 
Adult Markings: A medium-sized Gray. The ground color is pale gray to clay colored, variably dusted with darker gray; some (probably the majority) are pale with strongly contrasting lines and spots but others are fuscous, with the markings much less prominent. The postmedian is usually well-developed, dentate, and outwardly curving around the cell; the hollow discal spots typical of this genus are also typically prominent on both pairs of wings. These features are similar to those of other members of this genus, as is the range of variation. Structural features are critical in diagnosing this species and photographs are generally not conclusive except where the length of the pectinations of the male antennae are clearly displayed.
Forewing Length: 15-19.5 mm (Blanchard and Knudson, 1984)
Adult Structural Features: Males lack a fovea on the forewings. The antennae of the male are very broadly pectinate, with the length of the individual pectinations greater than in other members of this genus (Blanchard and Knudson, 1984). It is usually safer, however, to examine the male reproductive structures, where the length of the setae originating from the posterior process of the tegumen are over twice the length of the process; in H. gnophosaria/umbrosaria, the lengths are about equal and in H. buccholzaria the setae are about 1.5 times as long as the processes (Rindge, 1973; Blanchard and Knudson, 1984).
Structural photos
Adult ID Requirements: Identifiable from photos showing hindwings, abdomen, or other specialized views [e.g., frons, palps, antennae, undersides].
Immatures and Development: Not described by Blanchard and Knudson (1984)
Distribution in North Carolina
Distribution: Our records come from the Outer Coastal Plain to the foothills of the Blue Ridge.
County Map: Clicking on a county returns the records for the species in that county.
Hypomecis longipectinariaAlamance Alexander Alleghany Anson Ashe Avery Beaufort Bertie Bladen Brunswick Buncombe Burke Cabarrus Caldwell Camden Carteret Caswell Catawba Chatham Cherokee Chowan Clay Cleveland Columbus Craven Cumberland Currituck Dare Davidson Davie Duplin Durham Edgecombe Forsyth Franklin Gaston Gates Graham Granville Greene Guilford Halifax Harnett Haywood Henderson Hertford Hoke Hyde Iredell Jackson Johnston Jones Lee Lenoir Lincoln Macon Madison Martin McDowell Mecklenburg Mitchell Montgomery Moore Nash New%20Hanover Northampton Onslow Orange Pamlico Pasquotank Pender Perquimans Person Pitt Polk Randolph Richmond Robeson Rockingham Rowan Rutherford Sampson Scotland Stanly Stokes Surry Swain Transylvania Tyrrell Union Vance Wake Warren Washington Watauga Wayne Wilkes Wilson Yadkin Yancey
Flight Dates:
 High Mountains (HM) ≥ 4,000 ft.
 Low Mountains (LM) < 4,000 ft.
 Piedmont (Pd)
 Coastal Plain (CP)

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