Pseudochelaria scabrella

The combination of two dark brown dorsal patches on the forewing, each sharply demarcated by thin white lines and containing paired rows of raised scale tufts, distinguishes this species from other Pseudochelaria. The triangular shape of the basal patch and the transverse, slightly concave white line at the apical third are particularly distinctive. The small size (17–20 mm wingspan) and overall irrorated brown coloration are consistent with the genus.

Wingspan 17–20 mm. Forewings irrorated (sprinkled) brown with a large triangular dorsal patch near the base, reaching to the costal edge and sharply edged posteriorly by a thin oblique white line. A second, larger, more diffused patch occurs on the middle of the wing, edged posteriorly by a thin, transverse, slightly concave white line across the wing at the apical third. Both dark brown patches contain small tufts of raised scales arranged in two longitudinal rows. Hindwings light shiny fuscous.

Western North America: recorded from California, Nevada, and Washington.

• Other Pseudochelaria speciesLack the distinctive paired dark brown patches with white borders and raised scale tufts in two longitudinal rows; precise wing patterning differs.

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• Hemiptera | Beetles In The Bush | Page 9