EXOCIIILUAT. 



409 



strongly geniculate, but very distinctly intercepted nearly in its 

 centre. 



Banr/e. World-wide. 



The species of this genus are mainly from jS'orthern America ; 

 but one or two occur iu Africa and others are very common in 

 Europe, though their range has hitherto been ascertained only as 

 far east as Palestine. It is of interest to hnd them in tlie 

 mountains of Assam. 



Tabic of Species. 



1 (2) Antennas as long- as thorax ; scutellum 



bordered ; clypeus produced Ixtrbaricuni, sp. n., p, 409. 



i' (1) Antennte long:er ; scutelhun not 



bordered ; cly])eus simple. 



3 (8) Wings fidvesceut-hyaline ; metanotum 



reticulate. 



4 (7) Frons witli a small ridge ; scutelhun 



not centrally impressed. 

 ■5 (6) Plead buccate ; scutellum convex ; 



external orbits hardly pale circionjfiuu/ii, L., p. 410. 



6 (o) Head narrow ; scutellum deplanate ; 



external orbits tiavous orbitale, 3Iorl., p. 411. 



7 (4) Frons with a horn ; scutellum longi- 



tudinally impressed , . . acheron, Mori., p. 412. 



8 (3) Wings strongly blackish; metanotum 



rag'ose (Uabolus, Mori., p. 413. 



301. Exochilum barbaricum, sp. n. 



d" 2 . A stout species rtith very short antennae and bordered 

 scutellum. Head dull black and not posteriorly constricted, witli 



the mouth and face flavous, the 

 vertical and external orbits nar- 

 rowly red ; clypeus centralis^ pro- 

 duced into a subacuminate tooth ; 

 mandibles of equal length. An- 

 tennce setaceous, black, with the 

 scape basally pale beneath, of 5 

 not and of d hardly longer than 

 thorax. Thorax black, coarsely 

 j)unctate, with no notauli ; meta- 

 jiotum with oval spiracles and no 

 trace of areas ; extreme apical 

 margin of mesopleuric, and an 

 apical spot on metapleurir, retl. 

 Scutellum convex and not im- 

 pressed, strongly punctate, red, 

 with its sides black and stoutly 

 carinate. Abdomen clear red, 

 with the aims and extreme base 

 of [first segment black ; basal segment distinctly a little longer 

 than the terebra, with subapical spiracles. Liys red, with the 



Fig. IIG. 

 Exochilam barbaricum, Mori. 



