Verrallina
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| Verrallina | |
|---|---|
 | |
| Verrallina funerea | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Diptera |
| Family: | Culicidae |
| Subfamily: | Culicinae |
| Tribe: | Aedini |
| Genus: | Verrallina Theobald, 1903 |
Verrallina is a mosquito genus erected by entomologist Frederick Vincent Theobald in 1903. It belongs to the family Culicidae, subfamily Culicinae, and tribe Aedini. The genus is notable for its three subgenera—Harbachius, Neomacleaya, and Verrallina—and comprises approximately 94 species.[1]
Verrallina mosquitoes are distributed across the Oriental and Australasian regions. Their range includes:
- Southeast Asia
- Japan (Kyushu)
- Caroline Islands
- New Guinea
- Southern Pacific islands
- Northeastern Australia
Their larvae inhabit a diverse array of aquatic environments, including:
- Temporary ground waters: flood pools, puddles, road ruts, and animal hoof prints
- Coastal brackish water pools
- Natural and artificial containers: wells, tin cans, and other small water-holding structures
Adults are commonly found in jungles, coastal mangroves, and bamboo groves.[1]
Description
Adults
Adult Verrallina mosquitoes exhibit distinct morphological features:
- Head: Broad decumbent vertex scales
- Thorax: Presence of dorsocentral setae and sparse to numerous acrostichal setae
- Wings and legs: Specific scaling patterns unique to the genus
Biology
Verrallina mosquitoes lay their eggs in temporary water bodies, where larvae subsequently develop. Adults are primarily jungle-dwellers and are known to bite humans in shaded areas during the day. A notable feature of the subgenus Verrallina is the production of gelatinous strings that encase their eggs, protecting them from desiccation.[1]
Medical importance
Certain species within the genus Verrallina are significant as disease vectors. Notable examples include:
These species are known to transmit viruses such as:
Both viruses are associated with epidemic polyarthritis, particularly in Australia, posing a public health concern in affected regions.[1]