Pterospoda nigrescens

Pterospoda nigrescens is a species of moth of the family Geometridae. It occurs at moderate elevations in arid scrub and open woodland habitat, ranging from south-eastern Arizona and the Edwards Plateau of west-central Texas south to at least Durango, Mexico. It is not known from New Mexico, but should occur there.

The holotype of Ixala klotsi, now considered a synonym of Pterospoda nigrescens

Pterospoda nigrescens
Male
Female
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Subphylum:
Hexapoda
Class:
Insecta
Order:
Lepidoptera
Family:
Geometridae
Genus:
Pterospoda
Species:
P. nigrescens
Binomial name
Pterospoda nigrescens
(Hulst, 1898)
Synonyms
  • Selidosema nigrescens Hulst, 1898
  • Ixala klotsi Sperry, 1940

The wingspan is about 24 mm.[1] There are at least two annual flights, primarily in April and August in Arizona.[2]

The larvae have been reared on Condalia species, probably Condalia warnockii var. kearneyana.

References
  1. Bug Guide
  2. Pterospoda nigrescens (Hulst), a synonym of Ixala klotsi Sperry (Lepidoptera, Geometridae, Ennominae)


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