80 
Psyche 
[April 
Habitat: — Corvallis, Oregon; received from A. L. Lovett, 
collected by Godding. This species is related to planus and 
hipunctatus. 
Monophadnus ruscullus sp. nov. 
Male. Body black without any pale marks; clypeus uni- 
formly convex, truncate; antennae with the first segment of the 
fiagellum subequal or slightly shorter than the second, the second 
slightly longer than the third; the lateral foveae wanting; ven- 
tral ends of the antennal furrows subpunctiform, with a minute 
median fovea; front flat adjacent to the median ocellus; ocellar, 
vertical, and interocellar furrows distinct, the latter surrounding 
the dorsal portion of the median ocellus; head polished; wings 
smoky, the veins and the stigma black. Length, 5 mm. 
Habitat: — Mary’s Peak, Corvallis, Oregon; received from 
A. L. Lovett, Middlekauff collector. The coloration and struc- 
ture of the head is very different from that of tilice Norton. 
Periclista electa sp. nov. 
Male. Body black with the distal half of the femora, the 
tibiae, and the tarsi, shading between yellow and rufous; the 
clypeus shallowly circularly emarginate; head closely finely 
roughened; lateral fovea wanting; median fovea indefinite; 
ocellar basin scarcely defined, frontal crest thin, shelving; vertical 
furrows punctiform, ocellar furrow wanting, interocellar furrow 
linear; head not depressed about the median ocellus; thorax 
polished, setiferous; abdomen with caudal margins of segments 
with a fine pale margin; wings hyaline, veins and stigma brown. 
Length, 6 mm. 
Habitat: — Corvallis, Oregon; received from A. L. Lovett. 
This species is related to media Norton and its allies. 
Hylotoma onerosa sp. nov. 
Female. Body black with the labrum, clypeus, mandibles, 
flagellum of antennae, legs beyond the apices of the coxae, and 
the abdomen beyond the basal plates, rufous; head and thorax 
