Homoeosoma striatellum

Dyar, 1905

Homoeosoma striatellum is a of snout moth in the Pyralidae, described by Harrison Gray Dyar Jr. in 1905. It is a small with distinctive wing patterning characterized by black-lined on pale gray forewings. The species is known from the southwestern United States, specifically Arizona, California, and Nevada. Limited biological information is available for this species compared to its H. electellum, a major agricultural pest of sunflowers.

Pronunciation

How to pronounce Homoeosoma striatellum: //hoʊˌmiː.oʊˈsoʊ.mə ˌstraɪəˈtɛləm//

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

Distinguished from similar Homoeosoma by the combination of small size (18–22 mm wingspan), pale gray forewings with all distinctly lined in black, and whitish hindwings with ashen margins. The black venation pattern is particularly diagnostic. Separation from H. electellum, a sunflower pest with which it may co-occur in some regions, requires examination of wing pattern details and genitalia.

Appearance

have a wingspan of 18–22 mm. The forewings are pale gray with all lined in black, and the ground color is dusted with blackish scaling. The hindwings are whitish with ashen margins. The overall appearance is a small, slender with contrasting dark venation against a lighter background.

Distribution

Known from the southwestern United States: Arizona, California, and Nevada.

Similar Taxa

  • Homoeosoma electellumSimilar and general appearance, but H. electellum is a major sunflower pest with different wing pattern and ; H. striatellum has more prominently black-lined forewing

Sources and further reading