Larval mosquito (Diptera: Culicidae) abundance in relation with environmental conditions of pitcher plants Nepenthes mirabilis var. mirabilis in Songkhla Province, Thailand

Larval mosquito (Diptera: Culicidae) abundance in relation with environmental conditions of pitcher plants Nepenthes mirabilis var. mirabilis in Songkhla Province, Thailand

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This study examined the abundance of various immature mosquito species and ascertained selected environmental conditions in the pitcher.A total of knowall.blog hundred pitchers (Nepenthes mirabilis var.mirabilis), including 50 upper pitchers and 50 lower pitchers, were collected during rainy and dry seasons from Songkhla Province, Thailand.A total of 546 mosquito larvae belonging to two genera and three species were identified.

Among the collections, 526 larvae of Tripteroides tenax (96.34%), followed by 11 larvae of Tripteroides sp.1 (2.01%), and nine larvae of Toxorhynchites albipes (1.

65%) were identified.The abundance of mosquito larvae was noted to be higher during rainy season than during dry season.Mosquito larvae abundance positively correlated with pitcher size, amount of detritus present, pH of the medium, abundance of microorganisms, and amount of total fluid present in pitchers.Variation in abundance of mosquito larvae existing in pitchers is influenced by the presence of predators therein dea eyewear and different seasons.