22, 



Genus Acrobeles von Linstow, 1877 

 (Key to species from Allen, 1950) 



lo Labial probolae bifurcate, branches without tenminal bifurcation 



cephalatus (Cobb, 1901) Thome, 1925 



Labial probolae bifurcate, branches with terminal bifurcation „ . , 2 



2. Cephalic probolae long and slender 3 



Cephalic probolae short and triangular. ....... U 



3. Membranes on cephalic probolae extending about 1/2 the distance to the 



apex serricomis Thome, 1925 



Membranes on cephalic probolae extending to apex 



(genotype) ciliatus von Linstow, 1877 



U. Terminal branches of labial probolae recurved o . . . 5 



Terminal branches of labial probolae not recurved 6 



5. Membranes on labial probolae bluntly rounded, phasmid near middle of 



tail ornatus Thome, 1925 



Membranes on labial probolae triangular acute, phasmid near level of 

 anal opening elaboratus Thome, 1925 



6. Phasmids almost opposite anus . ctenocephalus Thome, 1925 



Phasmids near middle of tail complexus Thome, 1925 



Others: A. complexus Thome, 1925; A. sinensia Kreis, 1930; 

 A. soosi Andrassy, 1953. 



