32 The Mosquitoes or Culicidae of Jamaica. 



six to seven claw-shaped bristles, each with five to six stout 

 highly chitinised curved denticles. The long hairs on the thorax, 

 especially those on the posterior groups, are plumose. Lower lip 

 of Meinert with twelve to sixteen teeth on each side. The adult 

 larva seen in breeding jar has two dark olive-green spots on the 

 upper surface of the sixth segment. Antennae truncate, lateral 

 tuft of a few hairs (sometimes only one). A few short terminal 

 hairs. The pupal stage lasted about thirty -two hours." 



18. GRABHAMIA SOLLICITANS. Walker. 

 (The White-banded Salt Marsh Mosquito). 



(Insect. Saund., p. 427, 1856; Mono. Culicid. I., p. 368, 1901, and 

 III., p. 247, 1903.) 



General appearance. Head brown, with dense golden, narrow 

 curved scales, with flat ochraceous ones at the sides ; palpi with 

 dark scales and a white apex ; proboscis black, with a distinct 

 yellowish-white median band. Thorax covered with thin narrow 

 curved yellow golden scales ; pleurae with dense white scales 

 Abdomen clothed with creamy-white to yellow scales, which form 

 a broad central line, and with basal white bands and white lateral 

 spots, with a dark quadrangular patch on each side on most of 

 the segments ; venter with pale creamy scales. Legs ochraceous, 

 mottled with black and white scales ; knee spots white ; fore 

 metatarsi without a basal white band, mid and hind metatarsi 

 with a pale basal band, quite white in the hind legs and with two 

 blackish bands, one apical ; raid and fore tarsi with a broad 

 white basal band except on the last joint, which is pale ; in the 

 hind legs the bands are broader and whiter and the last segment 

 is all white. Wing scales mottled ; fork-cells short. 



Length. 5 5 to 6 mm. 



Geographical distribution. Along the littoral of North 

 America ; Galapago Islands ; Tamsui ; Formosa and Jamaica. 

 Somewhat rare in Jamaica. 



Life-history and habits.* This well-marked species inhabits 

 the salt marshes along the North American coast, and especially 

 along the bays and near the mouths of rivers where they empty 

 into salt water. The adults migrate some distance inland far 

 from their breeding grounds. The larvae occur in very brackish 

 water and even salt water. Now and then they are also found 



* New Jersey Agri. Exp. Station, Bull. 171, Feb. 8, 1904, p. 17, 

 J. B. Smith; and a special Bulletin, T, July 8, 1902, The Salt Marsh 

 Mosquito, p. 8. 



