.288 



THE AMERICAN ENTOMOLOGIST. 



closed by a white, ribbed, tympanic membrane, 

 the ribs converging to a median depression. 

 From the margin of this swelling issue long 

 compact scales which form, with the somewhat 

 curved costa and the excavation, a distinct 

 pocket with a broad oblique mouth ; loop for in- 

 sertion of frenulum in the ,; strongly marked, 

 horny, attached to subcostal vein and curving 

 inferiorly so as to make an almost complete cir- 

 cle ;* in ? less complete, attached to median 

 vein, consisting of 5 or more separate elements 

 and curving anteriorly. 



Secondaries regular in outline, with nine mar- 

 ginals, the costal divided at tip ; the subcostal 

 incomplete at base ; the 3d anastomosing with 

 costal at about the middle of the wing; disc incom- 

 plete ; indications of a discal vein which is in- 

 complete at middle ; inedian divided terminally 

 into three branches and sending off one more 

 from base ; submedian faint, incomplete ; internal 

 strong. Frenulum oi 6 very stout, simple; of? tri- 



[Fig. 153.1 



Structure ov Clvdonopteron tecom.u: d, froiil wing of male showing ven.-!- 

 tion and membranous swelling at base; /', hind wing do.: f, frenulum and loop; 

 t/y do. covered with scales ; i', do. of female ; y, i', //, front, middle and hind legs ; 

 /, head, the dotted lines showing outline of scales ; y, enlarged antennal joints ; 

 /•, ma.\illary palpi ; /,/,/, forms of scales (after Riley). 



partite. Legs of moderate length, normally spur- 

 red ; front legs with coxa and femur subequal, 

 tibia one-half as long as either : middle legs with 

 coxa insignificant, tibia and femur subequal, the 

 tibia having two bunches of scales, heaviest in 

 the X , the terminal largest ; basal joint of tarsus 

 also with such a bunch : hind legs with femur 

 about three-fifths as long as tibia, the scales be- 

 ing rather heavy at tip of tibia and also on first 

 joint of tarsus. 



C. tecoinu: n sp. — Average expanse S 20""" ; 

 f i^mm^ General color smoky-gray, the pri- 

 maries suffused with purplish-brown and ferru- 

 ginous. Antenna; pale in the S , with faint pur- 

 plish annulations in ?, ; palpi purplish above, 

 gray beneath. Thorax concolorous with pri- 

 maries, the collar and teguls having a few deep- 

 gray or blackish scales. Abdomen purplish- 

 brown ; the i genitalia covered with scales, sim- 

 ple, the spathe broad at base and tapering to a 

 point, the claspers tapering when viewed from 

 above and equal in width when viewed from the 



side ; basal piece tapering proximally ; the ovi- 

 positor in ? extensile, to half the length of ab- 

 domen, two-jointed, the tip chitinous flattened 

 and recalling in form the bill of a duck. Pri- 

 maries purplish-brown, deepest toward the outer 

 third of wing, which is marked by a transverse 

 line of the same color intensified, this line being 

 slightly incurved to the subcostal vein and thence 

 elbowed to costa and marked by a conspicuous 

 white dash something like an inverted interroga- 

 tion point ; this line is relieved by two outer co- 

 incident shades of a paler color, the posterior 

 one being pale gray ; posterior border pale gray 

 with a series of black spots between the veins ; 

 fringes purplish-gray ; pocket of the ^ pale in- 

 side toward the membranous base, purplish out- 

 side ; from about the middle of the basal bulging 

 of the wing or just outside the pocket a very 

 narrow whitish oblique line, broadening into a 

 distinct white spot on the subcostal and median 

 veins, this spot most often in the shape of a c 

 but sometimes separated into two and at others 

 into three distinct spots, the wing outside this 

 line and spot and beneath it being suffused with 

 deep ferruginous scales, and a circular spot of 

 the same color about the middle of the wing be- 

 tween subcostal and median 

 veins. The purplish and orange 

 markings are deepest in the S , 

 the orange in the ," being fre- 

 quently pale ferruginous inclined 

 to yellow. Secondaries smoky- 

 gra^' with a darker discal spot 

 and double transverse shade 

 about the outer third, following 

 the margin. Under surface of 

 primaries pale yellowish-gray, 

 with the white dash at posterior 

 costal prominence and the in- 

 tense purple of upper surface re- 

 peated near costa. Under sur- 

 face of secondaries darker, more 

 purplish, the discal spot and 

 curved bands of upper surface 

 being more intensified, almost 

 black, with a double transverse 

 band of the same color at base. 



Described from numerous spe- 

 ; stated. 



' Our figures of these parts are somewhat imperfect. 



cimens bred 



Lat-'a — Of normal form ; rather broad and 

 somewhat flattened. Average length when full 

 grown 9""". Color, dull yellowish. Head 

 almost horizontal, deep, polished brown. Pro- 

 thoracic joint dingy; cervical shield broad and 

 concolorous with head, having a medium paler 

 line and four transverse darker impressions. 

 Anal shield less horny and paler. Each abdom- 

 inal joint divided in two transverse folds, the 

 posterior one-half as wide as the anterior. A 

 substigmatal longitudinal fold rendered undulate 

 and moniliform by' deep sutural impressions. 

 Stigmata large with conspicuous black annulus. 

 Pilifurous spots insignificant, and their hairs 

 fine and pale. Prolegs short with light-brown 

 hooks. 



Pupa — Mahogany-brown, the hind tarsi ex- 

 tending just beyond wings in two lobes; the ab- 

 dominal joints minutely punctulate dorsally, 

 most densely on anterior borders; the tip of 

 body darker, suddenly compressed from above 

 and beneath so as to form a transverse edge with 

 6 projections and a blunt spinous hair extending 

 from each. 



