TOXOPHOltA. 287 



Genus TOXOPHORA, Mg. 

 Toxophora, Meigen, Illig. Mag. ii. p. 270 (1803). 



Genotype, Asilus maculatus, Eossi (Europe) ; by Meigen's 

 designation (Klass. 1804, p. 273). 



Head semiglobular, as broad as thorax, placed low on it ; 

 epistoma short ; proboscis porrect, horny, with narrow labella ; 

 palpi long, filiform, thicker at base. Antennas very long, promi- 

 nent, horizontal, approximate at the base ; 1st joint cylindrical, 

 as long as 2nd and 3rd together; 2nd cylindrical, about half as 

 long as 1st ; 3rd shorter than 2nd, awl-shaped. Eyes in cJ 

 contiguous, in $ wide apart ; three ocelli. Thorax oval, extremely 

 arched, hump-backed ; scutelium broad and short. Abdomen a 

 little narrower than thorax, 7-segmented, elongate, conical, arched 

 downwards, pointed at tip ; generally with yellow or whitish 

 transverse bands. Legs rather stout, moderately long ; tibias 

 strongly bristly ; tarsi with two pulvilli. Wings with 3rd vein 

 forked abruptly ; three submarginal cells, three posterior cells ; 

 1st basal cell much longer than 2nd ; anterior cross-vein at or 

 just beyond middle of discal cell; anal cell closed just before 

 border; alula rather small. 



Range. South Europe, Asia, Africa, North and South America. 



Life-history unknown. 



These are moderately large, slightly pubescent, rather bristly 

 flies of a peculiar hump-backed appearance, closely covered with 

 scales on many parts of the body. 



228. Toxophora javana, Wied. (PI. Ill, fig. 16.) 



Toxophora javana, AViedeniann, Dipt. Exot. p. 179 (1821) ; id., 

 Auss. Zweifl. i, p. 368 (1828) ; de Meijere, Tijd. v. Ent. liii, 

 p. 66 (1910) ; Brunetti, Rec. Ind. Mus. ii, p. 458, pi. xii, tig. 28 

 (1909), 

 $ 2 • Head in c? with eyes contiguous nearly to antennae, 

 leaving a small protruding Irons concealed by the bunch of long- 

 thin bright yellow scales surrounding base of antennas ; vertex 

 very small, black, with a pair of strong ocellar bristles ; face 

 blackish, with a white shimmer seen from above ; mouth-orbit 

 whitish ; proboscis about If times length of head ; antennas over 

 twice length of head, 1st joint about as long as 2nd and 3rd 

 together, black, covered with very small brown scales lying close 

 on the surface, and, at least on 1st joint, with more elongate and 

 less depressed silvery scales, on 2nd joint a number of elongate 

 dark brown scales, on 3rd a considerable amount of dark brown 

 hairs ; occiput black, whole middle part with dense elongate 

 conspicuous bright chrome-yellow scales, which extend laterally 

 to the eye-margins, and sometimes are continued upwards behind 

 the eye ; below these scales is a clothing of very small oblong pale 

 brown scales resting fiat on the surface, apparently entirely 

 covering it; on lower part of occiput a large bunch of very 

 elongate bristle-like yellow or whitish-grey scales. In 5 > frons 



