Maxillolabium wide (Figure 3 70, C); submentum with 2 oblique, oblong 

 sclerites in the basal part; a short, thin seta near the anterior margin of 

 the sclerites; seta of cardo very small; stipes with broad, black, median 

 margin; basal seta relatively long; distal seta very small; palpiger horse- 

 shoe-shaped; its distal seta situated on a membrane and relatively long; 

 311 mediobasal seta small. Maxillary palp short and thick; first palp segment 

 reduced in the middle, its sclerite open; sclerites of the 3 other segments 

 ring-shaped; 2nd segment longer than the following segments. Galea in 

 form of a small tubercle covered with hairs; a crescent-shaped sclerite 

 at its base; sensillae short, concealed among the hairs; setae also little 

 marked, except two. Mentum short, strongly curved, dark brown; ventral 

 sclerites small, with a light distal seta; labial palpiger curved; labial palps 

 and labial lobe very small; a broad, membranous process further dorsally, 

 which is trifid and covered with minute, thin, light spinules. 



Pronotum (Figure 373) dark brown, convex; its anterior margin 

 projecting; posterior margin with a broad, median notch; a row of lighter, 

 large dots near the lateral margin; posterior angles rounded and 

 projecting. Anterior -angle and anterior-margin setae forming fans near 

 the anterior angles; their number is 28—32; primary setae not 

 recognizable among the secondary setae; a transverse row of 10 setae in 

 the posterior half of the sclerite, 3 primary setae distinguishable by their 

 length; two lateral groups of setae laterally, near the margin of the 

 sclerite: an anterior group of 4 setae and a posterior group of 2 setae; 

 one group situated near the margin and the second closer to the transverse 

 row. 



Meso- and metanotum chestnut brown, small, with light dots 

 (Figure 373); setae relatively long, resembling those of pronotum; anterior- 

 margin seta situated between the tergites; anterior-angle setae situated 

 together with the small secondary setae lateral to them; long medioanal 

 setae situated together with the small, thin, intermediate and lateral seta, 

 posterior to the tergites. 



Episternum and trochantin of pleuron of the prothorax fused; seta of 

 trochantin small, situated near two setules; epimeron of prothorax without 

 seta, which is displaced to the dorsal sclerite. Pleural sclerites of meso- 

 and metathorax large; epimeron larger than episternum, which is fused 

 with the trochantin (Figure 373, B); a long seta situated near the lateral 

 margin of each of the two parts of the pleuron. 



Prothorax ventrally almost completely covered by a small brown sternite 

 (Figure 3 73, B) with a broad anterior sclerite and a narrow, posterior 

 sclerite; posterior sclerite with prolonged posterior angles which are 

 almost contiguous with the angles of the dorsal sclerite. 



Mesosternum represented by a short, broad sclerite at the posterior 

 margin of the segment; metathorax completely membranous ventrally. 



Legs of almost the same length; forelegs slightly longer than midlegs 

 and hind legs; length ratio of legs 101:100:98; midlegs about 0.3 as long as 

 the larva. Midlegs (Figure 375) and especially hind legs thicker than 

 forelegs; coxae relatively long, longer than the femora; tarsi short. 



Coxae with a deep dorsodistal notch. Basodorsal anterior seta of coxa 

 of forelegs short, thin and yellow; slightly longer on the midlegs and hind 

 legs; distodorsal anterior seta of coxa of forelegs shorter than posterior 

 seta, of the same length on midlegs and hind legs; both these long setae 



339 



