Genus CuUx. 453 



has many thin dark longitudinal striae ; claspers curved, slightly 

 expanded before the apex, with a small lateral terminal segment, 

 expanding apically and truncate with median rod. 



Additional f oca lift/. — Siena Leone (Captain (J rattan) ; caught 

 in the hush in January. 



Culkx janitor. Theobald (1903). 



(The Fake Crab-hole Mosquito.) 



Mono. Oolieid. 111., p. L88 (1908) ; Mbeq. Jamaica, p. Hi (1905). 



Life-history and habits. — Nothing is yet known of the larval 

 and pupal stages. The adults occur congregated at the entrance 

 of crab-holes with Deinocc rites cancer by the seashore. They do 

 not fly up and attack one, and arc; thought by Dr. Grabham to 

 be nocturnal. 



The species much resembles C. seen lor, but can be told by 

 the unhanded female abdomen and the male palpi having the 

 two apical segments much shorter and stouter than in secutor. 

 Moreover, its habits and distribution are different, the False; 

 Crab-hole Mosquito being littoral, the Mountain Mosquito an 

 inland insect. 



CULEX CHR1ST0FJ1ERS1I. II. Sp. 



Head dark, speckled with pale dull yellowish scales, paler at 

 the sides and around the eyes, and a dark patch noticeable on 

 each side; palpi and proboscis deep brown. Thorax clothed 

 with dull pale yellowish scales with two median bare lines and 

 a rich brown spot on each side on the anterior half ; pleurae 

 pale greyish white, scutellum very pale. Abdomen brown with 

 basal pale creamy curved bands. Legs brown, unhanded, base 

 and under side of femora pale, also knee spot and apex of 

 hind tibiae. Male palpi brown, acuminate, unhanded. 



9 . Head brown, clothed with small narrow-curved pale 

 yellowish scales on the occiput, flat white ones laterally, upright 

 ochreous forked scales in the middle; and a patch of black ones 

 on each side, which form the dark lateral spots noticed with a 

 hand lens. Palpi and proboscis deep brown, the latter with 

 testaceous labellae. Antennae brown, basal segment yellowish. 

 Palpi three-jointed, the two basal segments small, the apical one 

 large. 



Thorax brown, clothed with narrow-curved pale dull golden 

 lies almost creamy in some lights and a rich brown scaled 



