Abstract：
:Culex (Melanoconion) iolambdis (Dyar, 1918) is a mosquito (Diptera: Culicidae) species found throughout much of tropical America, including southern Florida. Relatively few reports are available regarding the ecology of Cx. iolambdis, despite its widespread distribution and putative involvement in transmission of Venezuelan equine encephalitis virus. To quantify habitat and host utilization, adults of Cx. iolambdis were sampled from resting shelters at a field site in Vero Beach, Florida, over a 12-month period. Culex iolambdis (1109 males, 3072 females) constituted more than half (56.76%) of all mosquitoes sampled (24 species) and was active year-round. Unfed females and gravid females of Cx. iolambdis were significantly more abundant in mangrove habitat, while males and blood-fed females were not. PCR-based bloodmeal analysis of 305 females revealed that Cx. iolambdis has very wide host breadth, feeding on birds (37.0% overall), reptiles (26.6%), amphibians (23.3%) and mammals (13.1%). Green heron (Butorides virescens), Southern leopard frog (Lithobates sphenocephala) and American alligator (Alligator mississippiensis) were the most commonly fed upon hosts. Bloodmeals from different host classes varied significantly with season, suggesting that Cx. iolambdis may play a role in the amplification and epidemic transmission of zoonotic arboviruses affecting human health.
journal_name
Acta Tropjournal_title
Acta tropicaauthors
Blosser EM,Stenn T,Acevedo C,Burkett-Cadena NDdoi
10.1016/j.actatropica.2016.10.001subject
Has Abstractpub_date
2016-12-01 00:00:00pages
352-359eissn
0001-706Xissn
1873-6254pii
S0001-706X(16)30648-9journal_volume
164pub_type
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