N0.13G2. AUn'RODIDS OF CALIFORNIA— BEMm. 501 



ticc and a pair latero-cephalad of it. The usual caudal and latero-caudal 

 hairs are present, much longer than in other ypecies. There is a dis- 

 tinct thickened maro-inal rim, in which are two parallel rows of minute 

 trans})arent spots; the lateral wax tubes seem to be wanting and there 

 is no wax secretion of any kind; on the lateral margins of the rim are 

 seven pairs of delicate hairs set in conical >)ascs. These hairs are 

 much longer than usual, and extend from the latero-cephalic margin, 

 about one-half the distance to the caudal end. Vasiform oritice sub- 

 circular, bounded l)y a dark rim; operculum relatively the same shape 

 and size as oritice; lingula the length of oritice, enlarged distally, 

 strap-shaped. Legs and antemuB functional. Moutli parts large, sette 

 more than one-half the length of larva. 



Larva. — (Stage 2.) Size, 0.45 by 0.8 mm. ; broadly elliptical in shape 

 and of a yellowish-brown color mottled with dark spots. Dorsum flat, 

 with a narrow lateral fringe of transparent rods, which are continuous 

 at base but ragged distalh'; no dorsal exudation. Spines as in stage 1, 

 except that the cephalic pair are wanting and the second and third 

 pairs are very long. Lateral wax tubes distinct; crenulations of mar- 

 gin shallow and rounded; marginal rim, latero-marginal hairs, legs, 

 and anteunffi have disappeared from view. 



Larva. —(Stage 3.) Size, 0,,5 by 0.45 mm. to 0. 7 by 0.83 mm. ; color, 

 dark brown; b}- transmitted light, yellow or gray-brown. No mar- 

 ginal rim, but the lateral wax tubes are bent downward to some extent, 

 and the crenulations are relatively deeper than in the pupa-case. Hairs 

 and spines as in stage 2, except that there is a pair of minute hairs on 

 the cephalic region. Abdominal segments distinct along the dorsi- 

 meson, bearing two rows of small pores on each side of the median 

 line, a pair to each segment; in other respects as in pupa-case. 



Pupa-case. — Size, from 0.75 by 0.5 mm. to 1.03 by 0.7 mm.; shape, 

 broadl}^ su})elliptical, widest across the abdomen, narrow on thorax, 

 and tapering to the caudal ejid; color, shining ))lack. There is a pro- 

 fuse lateral exudation in the form of a fringe made up of thread-like, 

 white, wax rods which have many minute projections, the whole inter- 

 laced into a mass which varies considerably in width. Dorsum keeled 

 for entire length, body segments conspicuous; on the third and fourth 

 abdominal segments are a pair of small pores; the thoraco-a))dominal 

 suture is very sinuate and extends to the marginal ridge. There is a 

 distinct and wide marginal rim somewhat wider on the sides, which is 

 demarked from the dorsum all around b}' a sharp ridge; the lateral 

 wax tubes are quite prominent and extend mesad about one-half the 

 width of the rim; the margin is crenulated, incisions irregular, and 

 the ends of the tubes truncate and notched. On the cephalic region 

 there are a pair of wedge-siiaped or triangular transparent places, the 

 acute angle toward the median line, the outer edge parsdlel with the 

 marginal ridge; between the transparent places is a pair of small pores, 

 Proc. N. M. vol. xxvii— 03 35 



