During the period from February 2009 to September 2010, a mosquito (Diptera:
Culicidae) survey was conducted in Jazan province the southwestern Region of Saudi
Arabia,. A total of 29414 larval and 484 adult mosquitoes were collected from 41 sites,
resembling 10 governorates. The collected mosquitoes related to 7 genera and 16 species.
The genera were Aedes (A.) (1 species), Stegomyia (St.) (1 species), Aedimorphus (Am.)
(1 species), Anopheles (An.) (4 species), Lutzia (L.) (1 species), Culex (Cx.) (7 species),
and Culliseta (Cs.) (1species) and the mosquitoes species encountered were A. caspius
Pallas, St. aegypti Linnaeus, Am. vexans arabiensis Patton, An. d'thali Patton, An.
pretoriensis Theobald, An. Arabiensis Patton, An. turkhudi Liston, L. (Metalutzia)
tigripes de Grandpre & de Charmoy, Cx. sitiens Wiedmann, Cx. decens Theobald, Cx.
bitaeniorhynchus Giles, Cx. pipiens Linnaeus, Cx. quinquefasciatus Say, Cx. sinaiticus
Kirkpatrick, Cx. tritaeniorhynchus Giles, and Cs. longiareolata Macquart. Cx. pipiens is
the most prevalent species in Jazan region. It was encountered in 90 % of total collection
sites. Cx. tritaeniorhynchus is less prevalent encountering in 80 % of total collection sites
but An. Arabinesis was encountered in 70 % of total collection sites. St. aegypti, L.
(Metalutzia) tigripes and Cx. sitiens were encountered in 50% of total collection sites. Cx.
quinquefascitus, Am. vexans and Cs. longiareolata were encountered in 40 %, 30% and
20% of total collection, sites respectively. An. pretariensis, An. d'thuli, An. turkdi, Cx.
decens, A. caspius and Cx. bitaeniorhynchus were the least prevalent mosquitoes in Jazan
region encountered in only 10% of total collection sites. Am. vexans was the most
abundant 57 % (17121), Culicine spp. 38.2 % (11416) , Anopheline spp. 1.5 % (433), St.
aegypti 3 % (749) and each of Aedine, Lutzia and Culleseta were encountered less than
1%.