Pachybrachis pusillus
Bowditch, 1909
Bulge-eyed Yellow Pachy
Pachybrachis pusillus is a small leaf beetle in the Chrysomelidae, Cryptocephalinae. The is known from the southwestern United States and Mexico. have been collected at light traps in mesquite-acacia scrub and oak-juniper woodland in Arizona. The "Bulge-eyed Yellow Pachy" refers to distinctive and coloration typical of the .
Pronunciation
How to pronounce Pachybrachis pusillus: /ˈpækɪˌbrækɪs pjuːˈsɪləs/
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Habitat
Mesquite-acacia scrub and oak-juniper woodland. In southeastern Arizona, have been collected in low-elevation oak woodland and riparian oak-hackberry woodland.
Distribution
Middle America and North America. Documented from Arizona in the southwestern United States and presumably ranging into Mexico.
Seasonality
have been collected in late July in southeastern Arizona, suggesting summer activity.
Behavior
are attracted to ultraviolet and mercury-vapor lights at night. Has been observed coming to light sheets in mixed oak-juniper woodland.
Similar Taxa
- Pachybrachis spp.Other in the share similar small size and general body form; identification to species level requires examination of subtle morphological characters
More Details
Taxonomic note
The Pachybrachis is part of the tribe Pachybrachini within the Cryptocephalinae. -level identification in this genus is challenging and often requires examination.
Collection method
Based on field observations in Arizona, this can be collected using beating techniques on oaks (Quercus spp.) and other woody vegetation, as well as at ultraviolet and mercury-vapor light stations.