82 ENTOMOLOGY FOR MEDICAL OFFICERS 



A nopheles (^' Pyretophorus") pseudocostalis, Theobald. From 

 West Africa. Differs from costalis in not having the legs 

 speckled. 



Anopheles (^' Pyretophorus") marshallii, Theobald. Palpi 

 with a narrow white band, a broad white band, and a broadly- 

 white tip. Legs dark brown with the extreme tips of the 

 segments slightly paler. Costa black, with five or six 

 extremely small yellowish-white spots. Congo Free State. 



Anopheles (^^ Pyretophorus") cinereus, Theobald. A large 

 form. Palpi with three white bands and pale tip. Legs 

 deep black ; a white spot at the tip of femora and tibiae ; 

 tips of the tarsal segments yellowish-white. Costa with four 

 large black spots and with two small ones at the basal end ; 

 fringe at tip of wing yellow and black. South-west and 

 Central Africa. 



Anopheles (^' Pyretophorus") austenii, Theobald. Palpi 

 with two white bands — one narrow, the other broad — and a 

 broadly-white tip. Legs black, the tips of nearly all the 

 segments white. Costa black, with three small white spots. 

 Scutum and scutellum with snow-white scales. Angola. 



A nopheles ( = " Pyretophorus ") pitchfordii. Power. Scutum 

 and scutellum with creamy scales. Costa with four black 

 spots alternating with four light ones. Tips of segments of 

 legs merely pale. Uganda, Zululand. 



Anopheles hebes, Donitz, and AnopJieles merus, Donitz, 

 both from East and South-west Africa, seem to be closely 

 related to Anopheles costalis, Loew. 



4. Asiatic Species : (a) Palcearctic Region. 



A nopheles (" Pyretophorus ") pales tinensis, Theobald. Palpi 

 with two white bands and white tip. Legs brown, with pale 

 bands at the femoro-tibial and tibio-tarsal joints. Costa 

 with four black spots. Cyprus and Palestine. 



Anopheles {" Pyretophoi-us") nigrifasciatus, Theobald. 

 Palpi with three pale bands and black tip. Legs brown, 

 not banded; tip of femur and tibia of hind legs pale. 

 Costa with four small black spots and two basal black dots. 

 Cyprus and Baluchistan. From the description of Anopheles 

 {Mysomia) azriki, Patton (1905), from the Aden district, A. 

 mgrifasaatus (1907) can not be distinguished. The Oriental 



