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Californian Clearwing

Plate IV — Californian Clearwing is Fig. 5
Plate IV — Californian Clearwing is Fig. 5

The head, thorax, and basal segments of the abdomen are brownish-olivaceous. The abdomen is black. The two segments immediately preceding the terminal segment are marked laterally by yellow tufts of hair. The anal tuft is wholly black. The wings are very narrowly bordered with brown. There is no rusty red spot at the apex of the primaries. The clear portions of the wing in certain lights have a bright steel-blue luster. The under side of the palpi, the pectus, and the abdomen are pale straw-yellow. In size this species is about as large as H. diffinis.

The perfect insect occurs in Utah and California, frequenting the blossoms of Lupinus.