Moths of North Carolina
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View PDFHeliozelidae Members:
Antispila Members:
1 NC Records

Antispila isabella Clemens, 1860 - No Common Name

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Family: HeliozelidaeP3 Number: 210079.00 MONA Number: 236.00
Species Status: Antispila isabella was described by Clemens (1860) and is now thought to be a cryptic species complex involving two or more grape-feeding species. Nieukerken et al. (2012) recognized two barcode clusters as "A. cf isabella" and "A. vitis2" which may prove to be distinct species. Here, we designate all of the genetic groups within this complex as A. isabella, with the understanding that future research may reveal two or more closely related forms.
Field Guide Descriptions: Online Photographs: MPG, BugGuide, iNaturalist, Google, BAMONA, GBIFTechnical Description, Adults: Clemens (1860)Technical Description, Immature Stages: Nieukerken et al. (2012)                                                                                 
Adult Markings: In this species, the head is golden and the antenna purplish brown. The forewing varies from brownish-black to purplish-black and has a complete silvery white to light golden fascia at about one-fourth the wing length. The only other marks are a matched pair of triangular-shaped, costal and dorsal spots of similar color at about three-fifths. Males in most populations have conspicuous yellow or brown androconial scales on the underside of the forewing (Nieukerken et al., 2012). Antispila isabella (sensu lato and including A. cf isabella and A. vitis2) is a relatively large species that does not have an apical spot, as seen is many related species.

Wingspan: 5.5 mm (estimate from a specimen in Nieukerken et al., 2012)
Immatures and Development: The larvae mine the leaves of grapes and the mines are much larger, and also have much larger cut-outs, than other grape miners. The mines of the two genetic groups that were distinguished by Nieukerken et al. (2012) have different characteristics.

Mines of A. cf isabella are relatively large mines, with the egg deposited near a vein. No gallery is visible and the mine is a large blotch, with a roundish patch of reddish frass near the beginning. There is dispersed black frass throughout mine, and the cut-out is large (5 mm long). Mines of A. vitis2 also start on a vein and lack a gallery. They are relatively compact blotches, with frass concentrated in a mushroom shape or a reversed triangular shape near the beginning of the mine. The cut-out is also large (4.8 mm).
Distribution in North Carolina
Distribution: Nieukerken et al. (2012) have documented populations in Ontario, Vermont, Connecticut, New York, Pennsylvania, Kentucky, and Georgia.
County Map: Clicking on a county returns the records for the species in that county.
Flight Dates:
 High Mountains (HM) ≥ 4,000 ft.
 Low Mountains (LM) < 4,000 ft.
 Piedmont (Pd)
 Coastal Plain (CP)

Click on graph to enlarge
Habitats and Life History
Larval Host Plants: Nieukerken et al. (2012) reported that he known hosts are Summer Grape (Vitis aestivalis), Fox Grape (V. labrusca) and Riverbank Grape (V. riparia).
Observation Methods: The adults occasionally visit lights, but are most easily obtained by rearing adults from grape leaves.
See also Habitat Account for General Vitaceous Tangles
Status in North Carolina
Natural Heritage Program Status:
Natural Heritage Program Ranks: GNR SU
State Protection:
Comments: We currently do not have sufficient information on the distribution and abundance of this species within the state to assess its conservation status.

 Photo Gallery for Antispila isabella - No Common Name

Photos: 3

Recorded by: Tracy S Feldman on 2020-07-24
Durham Co.
Recorded by: Tracy S Feldman on 2020-07-24
Durham Co.
Recorded by: Tracy S Feldman on 2020-07-24
Durham Co.