58 MISCELLANEOUS PAPERS. 



uniform brown, usually dark brown; wings oTa3"-brown, lighter at 

 base; tibiie and tarsi sometimes light brown. 



Head almost as long as wide, front of head angular, basal segments 

 of antenna set in concave depressions in front of head; cheeks arched, 

 sides roughened; posterior part of head cross-striate. No prominent 

 spines on head, although there is a row of small spines on each side 

 immediatel}" back of the eyes, the inner ones of which are the larger. 

 Eyes prominent, slightl}" protruding, pilose, margined inwardly with 

 light borders; pigment black. 6^6'.^/// subapproximate, separated from 

 inner margin of eyes; light orange colored and margined inwardly with 

 deep orange-red crescents; usually with circular thickening connecting- 

 anterior ocellus with outside of posterior ones, and included within 

 this, on either side of the anterior ocellus, is a small spine. Mouth 

 cone long, pointed; maxillary palpi three-segmented; labial palpi two- 

 segmented, first very short, second very long and slender. Antennae 

 with all segments of uniform width and color, except 2, which is 

 somewhat wider and a little darker brown; sometimes segment 3 is 

 also a little lighter brown. 



Prothorax about as long as head but somewhat v/ider; all angles 

 rounded; a pair of prominent spines on each posterior angle, with a 

 smaller pair on posterior margin near center; sometimes a third quite 

 prominent spine is present near larger ones on posterior angles. 2[eso- 

 thorcu largest; metathorax smaller with sides almost straight, hind 

 angles rounded. All segments uniform brown. Legs medium, con- 

 colorous with body ; hind tibite armed with several stout spines. Wings 

 fully developed, noticeably broader at base and gradually narrowing 

 toward the tip, light brown, except basal one-fourth, which is light 

 gray-brown. Costal and longitudinal veins prominent only on ])asal 

 half of wing; costa with about twenty-six regularly placed spines; fore 

 longitudinal vein with two groups on ])asal half, first group of four 

 and second of three; three other spines on distal half; hind vein with 

 twelve regularly placed spines. 



Ahdonien uniform dark-brown, with a darker brown line across 

 anterior margins of segments 2 to 7; connective tissue brown; stout 

 spines on sides of all segments, these becoming longer near the tip 

 with the longest on segments 9 and 10. Comb-like arrangement of 

 spines on posterior margin of segment 8. 



Males much smaller than females and with large light-colored oval 

 areas on ventral sides of segments 3 to 6. 



Described froni twenty-one females and three males. 



Food 2>l(ints : Blossoms of madroiia, California laurel, and California 

 lilac. 



'Habitat: Santa Clara Valley, California. 



This species in a general way resembles Euthrlps jnjri, and either 

 one at a casual glance could be easily mistaken for the other. 



