CITRYSOTUS. 173 



Table for the determination of the Species. 



-. ( Third joint of the antennae elongated. 1 cornutus, nov. sp. 



( Third joint of the antennae not elongated at all. 2 



2 j Femora of dark color. 3 



I. Femora of pale color. 11 



o f Ground-color of the palpi pale. 4 



I Ground-color of the palpi blackish. 5 



. ( Palpi white. 2 longimanus Lw. 



\ Palpi yellow, near the basis blackish. 3 validus Lw. 



r ( Cilia of the tegulae black. 6 



I Cilia of the tegulse pale. 8 



P ( Eyes of the male separated. 6 vividus, nov. sp. 



I Eyes of the male contiguous. 7 



f Four anterior tibiae of the male and all the tibiae of the female yellow. 



I 4 obliquus Lw. 



' 1 Both the fore tibiae of the male and the four anterior tibiae of the 



female yellow. 5 affinis Lw. 



o j Wings of the male with thickened costa. 9 



( Wings of the male without a thickened costa. 10 



q ( Costa of the male very much incrassated. 7 costalis Lw. 



\ Costa of the male moderately incrassated. 8 subcostatus, nov. sp. 



f Smaller species, with about three bristles on the upper side of the 



I hind tibiae. • 9 discolor L.w. 



j Larger species, with about five bristles on the upper side of the hind 



tibiae. 10 auratus Lw. 



■y,{ Antennae entirely black. 11 pallipes Lw. 



\ First joint of the antennae red. 12 picticornis, nov. sp. 



Systematical arrangement of the Species. 

 I. Third joint of the antennae elongated. 



1. cornutus, nov. sp. 



II. Third joint of the antennae not elongated at all. 

 A. Femora of a dark color. 



a. Ground'color of the palpi pale. 



2. longimanus Lw. 3. validus Lw. 



b. Ground-color of the palpi blackish. 



1. Cilia of the tegulae black. 



4. obliquus Lw. 6. vividus, nov. sp. 



5. affinis Lie. 



2. Cilia of the tegulae pale. 



