HESPEl^ini: Kl'ARCYRErS TITYRUS. 1403 



posed, colorless ; spiracles scarcely liistiiict from scueral color, slightly testaceous. 

 Lengtli, 5.5 mm. ; breadth of hody, .7 mm. 



Third stage (76: 35). Head (80:20) uniform bliiclc l)ro-svu, minutely scabrous, 

 covered with a short, dense pile of simple hairs. Mouth parts and ocelli the same. 

 Body dark green above, marked, in narrow, transverse stripes, with yellowsh green; 

 below yellowish green ; sometimes tlie yellowish green predominates above, and in all 

 cases tlie darker color is made less conspicuous liy l)eing broken by frequent dots of 

 the paler color. The body issliining and is covered densely witli very short pile, com- 

 posed of apically expanding bristles, .0(; mm. long and .02 mm. in diameter at tip; 

 first segment black at)ove, bordered anteriorly with dull reddish fuscous ; bene.ath red- 

 dish flesh-colored ; the last two segments arc greenish yellow, marked faintly with 

 pale orange along the outer border. Stigmata greeuisli fuscous, that of the first 

 thoracic segment blackish. Legs pale reddish, apical half fuscous; other legs pale 

 yellowish green, apical half tinged with fuscous; prolegs pale yellowish green, anal 

 pair yellowish. Length when full grown, 12 mm.; breadth of body, 2.5mm.; of 

 head, 1.8 mm. 



Fourth stage. Head (80 : 21) dark livid brown or brownish ferruginous, shining, but 

 dulled by being completely sprinkled with low, granulate, equidistant tubercles, which 

 form part of a reticulate vermiculatiou covering the whole surface, the granulations 

 wanting on the lower part of the head, wliicli is striate in converging lines toward the 

 mouth parts; median suture blackish, impressed, the large, round, bright orange spot 

 sometimes more or less lemon color on the lower part of the sides of the front, 

 directly In front of the ocelli, which limit it and indeed infringe upon it behind ; ocelli 

 vitreous, with piceous aunuli at the base; mandibles blackish ferruginous ; labrum 

 luteo-castaneous, darkest apically; Ijasal joint of the antennae pale, the long third 

 joint castaneous ; posterior mouth parts luteo-castaneous. Collar and dorsal shield of 

 first thoracic segment nearly of the color of head, the latter a little lighter but poste- 

 riorly infuscated or even becoming blackish; rest of the first thoracic segment, 

 together with the entire ventr.al surface of same, including the first pair of legs, coral- 

 red ; the second and third pairs a paler red. Body bright sulphur-yellow, alternating 

 with numerous transverse lines and narrow streaks of a Ijlackish color; many of them 

 irregularly interrupted, sometimes almost obsolete, l)ut tliere remains always an infra- 

 lateral series of short, velvety black dashes on the middle of the anterior section of 

 each segment, together with a slenderer, suprastigmatal streak, spot or dot in the same 

 part of the segment; a faintly traced, interrupted, mediodorsal, infuscated line, 

 sometimes obsolete, often dilated into a more distinct dot, when the markings are 

 most conspicuous, connected with the oval, iufralateral spot. Spiracles black. Ven- 

 tral prolegs bright orange yellow, the anal pair concolorous with the l)ody. Length of 

 body, 27 mm.; breadth of body, 4.5 mm.; of head, 4.5 mm. Described from blown 

 specimens and the MS. notes of Dr. Asa Fitch. 



Last stage (76: 30, 31, 33). Head (80: 22) dark brownish red, delicately scabrous 

 and clothed with short pile ; between the ocelli and the labrum a large, roundish, briglit 

 orange spot. Ocelli vinous in a black field ; basal joint of antennae pale, beyond black; 

 mandibles black; other mouth parts paler; labrum Ijlackish. 



Body greenish yellow markedwitli transverse lines, blotches and dots of grassy green, 

 the lines encircling the body above, the blotches being abundant on the sides and the 

 dots forming a transverse row on the anterior edge of each segment. Collar just 

 behind the head, dark brownish red; first thoracic segment orange red; the shield 

 browner and its hinder edge distinctly infuscated; last segment greenish, rimmed pos- 

 teriorly with yellow ; beneath dark green dotted with yellow excepting the first seg- 

 ment which is red. The body is densely covered with exceedingly short, fine hairs. 

 Spiracles velvety black, bordered witli pale green ; second and third thoracic segments, 

 but especially the former, marked witli black in the place where the spiracles would he 

 if there were any. Legs orange red, the front pair brightest, the claws infuscated. 

 Prolegs greenish, all l)ut the anal pair marked externally with transverse bands of pale 

 orange. Length, 37 mm. ; breadth of body, 6.25 mm. ; of head, 5 mm. ; of collar, 2.25 mm. 



