40i GNATS OH MOSQUITOES — CHAPTER XIII 



below, and white at the apex. Halteres pale ochreous. LcnfjfJi. — 

 About 5 mm. 



Habitat. — Salisbury, Mashonaland ; February. 



24. CULEX DISSIMILIS, Theobald (Monog. I, p. 376). 



Plate xvi, fig. 8, Tarsal claws of 3 • 



Tarsi yellowish-brown, with paler bands on the articulations 

 (sometimes indistinct on the hind legs). Thorax dark brown 

 grounded, with scattered golden scales. Abdomen dark brown, 

 with semi-lunar basal ochreous patches, not forming complete 

 bands, except on some of the hinder segments ; the first almost 

 white, with two dark patches in the middle, and there are traces 

 of lateral spots on the hinder segments. Proboscis dark brown, 

 with a narrow pale band well beyond the middle, rather indis- 

 tinct in the 2 . Wings with fork of IV distinctly internal to 

 that of II, and 4 but little inside 3. 



Head brown, with creamy curved, and brown forked scales ; palpi 

 of 2 , nearly black ; those of 3 i nearly half as long again as the proboscis, 

 with the apex yellowish and four bands of the same tint, the second of 

 which corresponds with that on the proboscis. Scutellum light brown ; 

 pleurse brown, with two white patches. Legs pale yellow, with scattered 

 brown scales. Halteres pale yellow. Length. — 4 mm. 



Habitat. — Freetown, Sierra Leone. 



25. CULEX DUTTONI, Theob. (Monog. II, p. 318). 



Tarsi pale, banded on all but the last articulations (in the J , 

 the last two bands are indistinct), but not on the tibio-tarsal. 

 Thorax black grounded, clothed with narrow golden-brown, and 

 broader creamy scales arranged so as to form an indistinct 

 adornment, the- pale ones forming an anterior border to the 

 mesonotum, and patches about its middle, and over the roots of 

 the wings. Abdomen deep brown, with whitish basal bands and 

 small lateral snowy spots. Proboscis nearly black, with a dull 

 reddish band on the apical half. Large fore-claw of male, with 

 one extra tooth. Wings with 4 twice its length inside 3. 



Head dark brown, with whitish orbits and very numerous bright brown 

 forked scales ; palpi of 5 , black, with a few white scales intermixed ; 

 those of (J, subulate, moderately tufted, with five broken white bands 

 (two or three on the third joint). Pleurae dark, with a few white patches. 

 Legs dark brown, pale on coxte and bases of femora, and with white 

 apices to all the greater joints. Halteres yellowish. Length.— 5 mm 



Habitat. — Duketown, West Coast of Africa. 



