534 A Monograph of Culicidae. 



curved lateral process composed of several narrow laminae, and 

 nearer the clasper another process, shorter, and composed of five 

 parts ; the clasper terminates in a small jointed process. 



Length. — 3*5 to 4 mm. 



Habitat. — Both J 's and $ 's from Bihe, Angola, Portuguese 

 West Africa (Dr. Creighton Wellman). 



Observations. — This species shows much variation in size. I 

 do not think the three $ 's sent with the $ ? s can belong to this 

 species. 



The 9 's might be mistaken for (7. fatigans, Wiedemann, and 

 for C. creticus, Theobald, but can at once be told by the seventh 

 scaled vein. 



Heptaphlebomyia argenteopunctata. Ventrillon (1905). 



Archiv. d. Parasitologie I., IX., no. 4, p. 446 (1905). 



" $ . Head. — The head is black. The occiput is covered with 

 curved white scales and black forked scales. The eyes are 

 bordered with curved white scales. Clypeus black. Antennae 

 with white segments with long black hairs. Palpi of four 

 segments, basal segment very short, the second very long, 

 covered with black scales on the inferior surface ; beneath there 

 is a part denuded and white, also one part covered with black 

 and white scales ; apex covered with black scales. The other 

 two segments are black, covered with black scales and long black 

 hairs. The base of the third joint bears a little tuft of white 

 scales. The proboscis is much shorter than the palpi. It is 

 black with a very large dull white scaled band on the apical 

 third. 



Tltorax. — The prothoracic lobes covered with fusciform white 

 scales. Mesothorax black with small black scales with yellow 

 reflections. On the superior part it shows : 1st, a small tuft of 

 fusciform white scales on the front ; 2nd, another small tuft of 

 the same scales on each side, in the side still larger ; 3rd, lastly, 

 more posteriorly a white lateral area larger than the preceding. 

 At the side is seen a little spot of white scales at the edge of the 

 mesothorax, another on the neck and two others on the sides. 

 The ecutellum is yellow and the lobes are covered with fusciform 

 white scales. Metanotum black and nude. The halteres have the 

 ! yellow, and the apical knob black, covered with dusky scales 

 Abdomen. — The segments of a yellow hue, covered with flat 

 black scales and bear some black hairs on their posterior borders, 



