near the posterior margin. Basal seta of mandible straight; seta anterior 

 to it curved. The pointed wing sheaths of male pupae reach almost the end 

 of the abdomen; those of the female pupae are slightly longer; natatorial 

 setae of segments 1 and 2 of the mid-tarsi dense. 



TABLE 8 





Stage 



Setae 



1st 



2nd 



3rd 



4th 



5th 



Pronotum 



1 

 

 

 

 4 



1 

 

 

 3 



1 

 

 

 3 



1 

 3 

 

 



4 



1 

 

 

 3 



1 

 

 

 3 



2 

 3 

 4-5 

 1 

 4 



3 

 1 

 1 

 3 



3 

 1 

 1 

 3 



2 

 3 

 8 

 1 

 13-16 



5 

 3 

 1 



7 



5 

 2 

 1 



7 



2 



Straight anterior -margin setae .... 



3 



11-12 



2 





35-45 



Mesonotum 



5 



Median anterior- margin setae . . . 

 Lateral anterior- margin setae .... 



4 

 2 (-3) 

 23-30 



Metanotum 



5 



Median anterior- margin setae .... 

 Lateral anterior-margin setae .... 



2 (-3) 



3 

 20-28 







a m 



FIGURES 490 and 491. Ithytrichia la me liar is Eat. (after Nielsen): 



490 — sclerites of holding apparatus of pupa: postsegmental plates of segment 4 

 and presegmental plates of segment 5; 491 — anterior end of pupal case, lateral 

 (A) and dorsal (B). 



Presegmental plates broadly oval, slightly oblong; postsegmental plates 

 rounded; number of spines on these plates as follows: 111:11 — 16+ 7—15; 

 IV:15-19+ 9-15; V:19-21 + 9-15; VI:15-23; VII:17-20; the plates bear 

 large spines and several small spinules (Figure 490). 



405 



