﻿156 New York State College of Forestry 



small, greenish patches; third segment with large, green patch 

 and central, red spot; last abdominal segment dusky; abdomen 

 hairy on ventral side ; pro- and mesothoracic femora with large, 

 dark patches ; small, stiff bristles appearing on ventral side of pro- 

 thoracic femora ; small teeth appearing on inner side of first tibia ; 

 metathoracic tibia well spotted. 



At the end of the instar wingpads appear definitely outlined; 

 margins of abdomen wide and whitish ; triangular white spots 

 at postero-lateral corners of each abdominal segment very notice- 

 able; tarsi greenish at outer ends. 



Fourth Instar 



Length about 4.7 mm. ; antennae about as long as body, the two 

 distal segments light greenish in color; two dark spots between 

 hinder portions of eyes; greenish patch on each side of head pos- 

 terior to eyes; black design on prothorax further developed and 

 median red streak present ; wingpads growing larger, tips of meta- 

 thoracic pads reaching posterior of first abdominal segment, both 

 pairs of wingpads, olive-green with a few w^hite spots; median 

 area of meso- and metathorax colorless; inverted "U" on dorsum 

 of anterior end of abdomen and red spots at centers of first few 

 segments; row of six round, greenish dots at under side of lateral 

 edges; dusky bars beginning to form on outer sides of prothoracic 

 femora. 



At the end of the instar, sides of tylus are very dark; anterior 

 dorsum of head dusky; red streak along posterior median line; 

 red median line on thorax and red spot on center of each abdom- 

 inal segment ; tips of mesothoracic wingpads nearly equal in length 

 to those of the metathorax ; coarse hairs on venter of thorax and 

 abdomen. 



Fifth Instar 



Length about 4.87 mm.; body becoming ])roportionally broader 

 than in the previous instar; proboscis reaching first coxae; 

 antennae about as long as body; dark markings on head more 

 conspicuous; design on disc of prothorax further developed and 

 medial, red line present ; mesothoracic wingpads grown so that the 

 tips overlap about one-half on the fourth abdominal segment, 

 longer and narrower than the metathoracic wingpads ; abdominal 

 margins well defined and slightly thickened; dusky "V" on 

 dorsum and also light rectangular area; red dashes in a line along 

 raid-dorsum of abdomen, posterior segment hairy ; the many small 

 bristles on under sides of pro- and mesothoracic femora longer and 

 the teeth appear smaller in proportion than before. 



At the end of the instar the design on the thorax is completed ; 

 head dusky on ventral side; large spine forming on presternum; 

 center of mesothoracic disc with red design; each segment of 

 abdomen except the last two with long, red dashes at extreme 

 lateral edges; two red spots on head behind eyes; row of green 



