130 
Psyche 
[June-August 
Vancouver, Colby, Dungeness, Pt. Gamble (Melander). 
Idaho; Lake Waha (Melander). 
Oregon: Salem, Portland (Melander). 
California: Berkeley, Muir Woods (Melander).; Stanford 
Univ. (Aldrich); Redwood City. 
British Columbia: Abbotsford (Melander). 
Leptocera (Opacifrons) convexa n. sp. (Fig. 9). 
Opaque black. Front with fronto-orbital, the very narrow 
interfrontal stripes and the frontal triangle from lower ocelli 
to frontal lunule, slightly gray dusted, somewhat flat, two- 
thirds as long as broad; vertical and postorbital bristles mod- 
erate; fronto-orbital bristles divergent, the upper but little 
longer than the lower; orbital setulse present, the upper two 
pairs quite distinct; interfrontal bristles in four pairs, the first 
from above, very weak, the second reaching the median line 
and the third and fourth pairs longer and cruciate; one pair of 
interfrontal setulse present; face and cheeks yellow, pollinose; 
cheek black toward occiput, narrow, from mouth margin to 
lower margin of eye, equal to one-fourth eye-height; oral vi- 
brissse long; oral setulse weak, in one pair; face concave in 
profile; epistome slightly projecting; clypeus very narrowly 
visible from in front; antennae divergent, third joint rounded; 
arista three times antennal length, long pubescent. Mesonotum 
and scutellum grayish dusted; mesonotum with a single pair of 
dorsocentral bristles; acrostichal setulae rather weak, arranged 
in six rows between the dorsocentrals, the posterior pair of 
middle acrostichals longer than the others; pleural sutures yellow 
to reddish; sternopleurae with two bristles, the posterior longer 
than the anterior; scutellum quadrangular; disc with four 
nearly uniform bristles on margin. Legs hairy; coxae, tro- 
chanters and tarsi infuscate; middle femora with a row of five 
anterior preapical bristles, the one nearest apex much the 
longest, middle tibiae with no flexor and three extensor bristles 
arranged as follows: one at basal third, one at apical third, and 
one on apical fifth ,hind metatarsi three-fifths as long as second 
