46 MISCELLANEOUS PAPEES. 



pilose, with large prominent facets. Ocelli orange colored, granu- 

 lated, separated, and margined inwardly with dark orange-brown 

 crescents; posterior ocelli approximate to but not bordering inner 

 margin of eyes. Mouth-cone short, reaching about halfwa}^- across 

 the prothorax, maxillary palpi geniculate, seven-segmented, first seg- 

 ment very large and almost as long as the other six; labial palpi five- 

 segmented, Antennx nine-segmented, uniform dark brown except 

 tip of segment 2, which is light l)rown, and base of 3, which is 3'ellow; 

 all segments quite uniformly clothed with short dark hairs; segments 

 3 and 4 each with two elongated, light-colored, membranous sense 

 areas on outer side, one dorsal and one ventral; segments 5 and 6 each 

 with a simple sense cone on under side near tip. 



i^?'(9?;Ac>r«a! about one-third wider than long, constricted in the center 

 of sides, very faintly cross-striated, uniformly covered with numer- 

 ous spines; circle of twelve quite stout spines on posterior margin. 

 Mesonotum striate-reticulate; with several stout spines, two on each 

 side, two near center, and two on posterior margin. Mesothorax 

 largest, quite smoothly and evenl}^ rounded at union with metathorax; 

 sides converge gradually toward the posterior. Legs unicolorous with 

 body, except trochanters, tips of fore tibia^, and fore tarsi, which shade 

 to yellow; fore cox* and femora thickened, other legs long and slender, 

 legs thickly covered with short spines; fore tarsi each with thumb 

 and forefinger-like hook; all tibite armed- with spines near tip, hind 

 tibiaj with several and a double row on inner side. Fore wings broad- 

 est near tip, narrower near base; anterior margin broadly rounded at 

 tip, posterior margin nearlv straight outward from scale; fore wings 

 with a ring vein, two longitudinal and five cross veins; longitudinal 

 veins and anterior part of ring vein thickly and regularly set with short 

 spines. These spines are dark except on inner light area, where they 

 are white. Fore wuigx without anterior fringe and with hairs on the 

 posterior margin which do not average as long as the width of the 

 wing; wings clear white with three darkened areas, one at base, one 

 at tip, and a large irregular area near center. All cross veins are 

 included in or margin on this central darkened area. Scales at base 

 long and slender, each bears seven spines. Hind wings clear white 

 and without veins; margined in front with short and behind with long 

 simple fringe. 



Ahdomen ovate, or strongly spindle-shaped when distended; fourth 

 and fifth segments largest, tapering gradually from fifth to the tip; 

 segments 1 to 7 with a few short inconspicuous hairs on prominent 

 angles; segment 8 with a single j)air of stout spines; segment 9 with 

 three long and several short pairs. 



Males are similar, but with long, slender bodies. 



Described f torn nine females and six males. 



Food plants: Manzanita and madrofia blossoms. 



Hahltat: Santa Clara Valley, California. 



