332 GNATS OR MOSQUITOES — CHAPTER XII 



length as the proboscis in both sexes, those of the $ subulate, 

 while in the ^ they are broadly spatulate. Wings with the 

 veins carrying, in addition to scantily arranged lanceolate scales, 

 patches of large thick scales, densely pigmented, and with their 

 free portion of an almost circular outline. 



1. CYCLOLEPPTERON GRABHAMII, Theobald 



(:Monog. p. 205). 



Plate xi, fig. 6a, Wing of 3 ; 6b, Bifurcation of II, to show arrangement 

 of the two sorts of scales ; 6c, GenericaUy peculiar scales, more 

 highly magnified ; 6d, Probos. and palp of 3' '■> 6e, Ant. tarsal claw 

 of 3. 



Wings with the costa black, except at the apex, and at a 

 single interruption, opposite the middle of the ant. fork-stem ; 

 the entire tip of the wing is pale-scaled, much as in An. Lin- 

 desayii, viihi, and some of the long veins have other pale portions, 

 but is otherwise generally dark, the dark fringe has feiTUginous 

 interruptions at each longitudinal juncture, except at the apex, 

 where the light portions preponderate, so that the cells are here 

 marked by only minute black streaks. Tarsi and legs dusky 

 throughout. Thorax and abdomen sooty, nude, but for pale 

 yellow hairs which are so numerous on the middle of the meso- 

 thorax as to form an indistinct spot. 



Head and appendages sooty, but for a scanty, whitish frontal tuft 

 which in the $ is continued back as a narrower stripe over the nape. 

 Palpi of the J exceptionally hirsute almost to the tips, especially along 

 the borders, so as to almost recall the leg paddles of Sabeihes. In 

 the 3 there is a narrow nude yellow band on the second articulation, 

 and the greater part of the last joints are covered with ferruginous 

 scales. In him, too, tlie frontal tuft and vertex are alone white, the 

 nape being entirely black, and his thorax differs from that of the $ in 

 having its anterior border ornamented with a bifid median tuft of long 

 white scales. He has also large lateral patches of yellowish-brown 

 scales at the bases of tlie abdominal segments. In both sexes, the legs 

 are brindled with alternating patches of ferruginous and dark brown 

 scales, the lighter tint predominating on the femora, and their very apices 

 are light coloured, so that there are soine indications of knee spots. 

 The male genitalia are clothed with yellow scales. Length. — About 

 4 mm. 



Habitat. — Jamaica (Dr. Grabiiam, November 24. 1899). 



