50 /.vy-AW 



GG. Biise 01 -tricted. (.It:; 



X. Ih.MKM'l 



BBB. Mouth-parts formed for - 



in which the body is cither scale-like 01 

 liki . - like, and clothed with wax. Tin- v. 



in the form of pow .rge tult> a continuous 



| thin seal- il which the n. 



VI. II KM I IT I KA. 



1I idy more . ; with minuu OT with thick 



, united with the mcsothoi. 



Mou: tongue" rolled ben< ath the 



he. VII. Li.i'ii.oi 



:y naked, or with isolated or bristle-like 1. 



D. Prot : well developed, inconspicuous or invisible fiomab 



Tar.- ted. Mouth-parts developed into an unjointed trunk; 



palpi pn VIII. Dii-i , 



DD. Prothorax well developed. 



Body strongly compressed ; tarsi five-jointed. (77, 



VIII. DIPT i 

 EE. Body not compressed ; tarsi one-, two-, or three-jointed. 



F. Last joint of tarsi bladder-like or hoof-like in form and without 

 claws; mouth-parts forming a triangular, unjointed beak; palpi 

 present. IV. Pin s< MM >n.\. 



FF. Last joint of tarsi not bladder-like, and furnished with one or 

 two claws ; mouth-parts forming a slender, usually jointed beak ; 

 palpi wanting. V. HK.MIPI . 



AA. Winged. 

 B. With two wings. 



C. First pair of wings transformed into club-shaped appendages, f 

 //,: IX. COLEOPl 



Second pair of wings rudimentary r.r wanting. 

 D. V. :ny, leathery, or parchment-like. 



Mouth-parts formed for sucking. Wings leathery, shorter,' 

 membranous at the tip. V. llKMil-i i 



EE. Mouth parts formed for biting. Jaws distinct. 



F. Wings horny, without veins. Hind legs not fitted for jumping. 



IX. 

 FF. W: imcnt-like. with a network of veins. Hind 



: for jumping. III. OKI HOW 1 KA. 



DD. Wings memt 



E. Abdomen with caudal filaments. Mouth-parts rudiment 



, /;/ Efthi'tiit'riiia-.} 

 \\ . PSEUDONBUROPI 



Huheres present (males of Cocci' V. HIMII-I \ 



Abdomen without caudal filaments. Halteres in pi 



wings. Mouth-parts formed for sucking. VIII. 



BB 



The two pairs of wings unlike in structure. Prothorax freely movable. 



