EUROPEAN SPECIES OF ANOPHELES 241 



and banded, two and a half to two and three-quarters hind tarsi pure 

 white. Costa with six white spots, the median one the longest. Egg 

 with a narrow frill, floats extending up to it but not encroaching on it. 

 Larva with simple and unbranched frontal hairs ; palmate hairs from the 

 second to the seventh segments ; leaflet serrated more on one side than 

 on the other, filament long. It breeds in all the rivers and springs in the 

 Aden Hinterland, as far up as Jehaf (6,800 feet), and about ninety miles 

 inland from Aden. 



Anopheles (Myzomyia) jehafi, Patton. Palpi with four white bands, 

 the last including the apex. Thorax and abdomen brown. Legs 

 brown with pale areas at all the joints. Costa with six black spots. 

 Egg boat-shaped, without a frill or floats, and thus unlike the typical 

 anopheline egg ; like that of Stegomyia, it will hatch after sinking in 

 water. Larva with simple and unbranched frontal hairs ; palmate hairs 

 present on the third to the seventh segments ; leaflet long, deeply 

 serrated ; filament long and pointed. This species breeds in springs 

 and wells. 



Anopheles (Myzomyia) azriki, Patton. Palpi with three bands, apices 

 dark. Thorax and abdomen brown. Legs brown, without bands. 

 Costa with five black spots. Larva with simple and unbranched frontal 

 hairs ; palmate hairs present on fourth to seventh segments ; leaflet 

 short and broad, and serrated ; filament with a short spike. It was found 

 in the Aden Hinterland, breeding in a spring. 



EUROPEAN SPECIES OF ANOPHELES 



Anopheles (sensu restricto) maculipennis, Meigen. Palpi brown, un- 

 banded. Thorax and abdomen brown. Legs brown, without any 

 definite bands. Costa dark with four dark spots, two apical and two 

 median. It is widely distributed in Europe, and is a natural carrier 

 of the parasites of malaria in Italy. 



Anopheles (sensu restricto) bifurcatus, L. Palpi unhanded. Thorax 

 chestnut brown. Abdomen dark brown, with some short golden hairs. 

 Legs brown and unbanded. Costa and wing itself without any spots. 

 Europe. 



Anopheles (sensu restricto) nigripes, Staeger. Palpi black and un- 

 banded, but sometimes with traces of light bands. Thorax and abdomen 

 blackish brown. Legs deep brown, without bands. Costa black without 

 spots. Europe. 



Anopheles (Myzorhynchus) psendopictus, Grassi. Palpi brown, with 

 31 



