HTBOS. 337 



some smaller marginal bristles. Abdomen subcylinclrical. slightly 

 curved, slightly pubescent, of eight segments, the eighth often 

 more or less hidden, the 2nd longest dorsally ; genitalia asym- 

 metrical ; ovipositor terminating in two small styliform lamellae. 

 Legs of moderate length, hind pair rather longer ; hind femora 

 slightly thickened and with rows of spines below ; anterior tibiae 

 generally with apical spurs. Legs considerably pubescent, the 

 male in some species with long .characteristic hairs on anterior 

 tibiae and tarsi. Empotlium small, narrow, ending in a long 

 bristle. Wings well developed, comparatively broad ; axillary 

 lobe distinct ; 3rd vein simple ; upper branch of 4th vein simple ; 

 discal cell present; anal cell longer than 2nd basal cell, its 

 posterior angle acute ; anal vein weak, attaining margin of wing ; 

 stigma normally present. 



Range. Europe, Asia, the Orient, Egypt, Natal, North and 

 South America, Australia. 



Life-history unknown. 



The perfect insects inhabit low bushes and ground-plants in 

 humid and shady situations. 



Table of Species. 



1. Legs partly or wholly distinctly yellow 



or brownish yellow .......... ." ..... 2. 



Legs wholly black or dark brown ; no 



definite yellow parts .............. 5. 



2. Legs wholly pale yellow .............. 3. 



Legs not wholly yellow .............. 4. 



3. Venter yellowish; scutellum black; a 



greyish depression laterally in front 



of scutellum .................... bisetosus, Bezzi, p. 338. 



Venter black ; scutellum brownish yel- 



low ; no greyish depression ........ tenuipes, Brun.,* p. 338. 



4. Stigma absent ; anterior tibiae, hind 



knees broadly and all tarsi, yellow . . gagatinus, Big., p. 339. 

 Stigma present ...................... 5. 



~). Middle tibiae, tips of middle femora, and 

 most of middle tarsi yellow ; length 



mm 



apicts, Brun., p. 340. 



Fore tibia), tips of hind femora, and base 



of hind tibise yellow ; length 2 mm. . geniculatus, Wulp, p. 340. 



6. Larger species, at least 5 mm. long ---- 7. 

 Smaller species, 2 to 3^ mm. long . . . . 8. 



7. Thorax shining blackish, with two in- 



distinct dorsal stripes; wings nearly 

 clear ; hind tarsi without, golden- 

 yellow pubescence below .......... niger, Brun., p. 340. 



Thorax blackish grey, unstriped; wings 

 pale brownish grey; liind tarsi with 

 conspicuous golden-vellow pubescence 

 below. .... ..... . ......... awipet, Brun., p. 341. 



* May be synonymous with bisetosus, Bezzi, the distinguishing character* 

 being conceivably within the variation of a single species. 



