Gyascutus planicosta obliteratus
(LeConte, 1858)
Gyascutus planicosta obliteratus is a of metallic wood-boring ( ) found in the southwestern United States. The is associated with saltbush , particularly Atriplex canescens (four-winged saltbush), on which have been observed perching. The subspecies represents one of several regional forms within the Gyascutus planicosta complex. Field observations from southeastern New Mexico indicate late-season adult activity in September.
Pronunciation
How to pronounce Gyascutus planicosta obliteratus: //dʒaɪˈæskjuːtəs ˌplænɪˈkɒstə ˌɒblɪˈtɛrətəs//
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Images
Habitat
Saltbush chaparral and alkaline flats; specifically associated with Atriplex canescens (four-winged saltbush) vegetation. Observed in gypsum/red siltstone slope and areas with mesquite/saltbush chaparral.
Distribution
Southwestern United States; recorded from southeastern New Mexico (Chaves County) and adjacent regions. GBIF records indicate presence in the Nearctic region of North America.
Seasonality
active in late summer and early fall; field observations from early September in New Mexico.
Host Associations
- Atriplex canescens - association observed perching on foliage; specific feeding or breeding relationship not confirmed
Behavior
have been observed perching on stems of plants during evening hours. activity patterns suspected based on timing of field observations near dusk.
Similar Taxa
- Gyascutus planicosta (other subspecies)Other occur in different geographic regions; subspecific identification requires examination of subtle morphological characters and knowledge of collection locality
- Other Gyascutus species contains multiple large, similarly-colored ; G. planicosta obliteratus distinguished by combination of geographic range and specific elytral patterns