Jamesina Scott, Mosquito Research and Control, Dept Entomology.
(Jamie is now at Lake County Mosquito Control, California)
Figures (photos) are shown below table. |
Exotic Aedes mosquitoes |
Native Aedes mosquitoes |
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Ae. albopictus |
Ae. japonicus |
Ae. atropalpus |
Ae. triseriatus |
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Upper & lower head hairs |
Single (upper head hair may be double or triple) and in a box arrangement |
Multiple and in a straight line (Fig. 1)
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Single and in a box arrangement. (Fig. 2)
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Single (upper head hair rarely double) and in a box arrangement
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Anal gills |
Equal and blunt (sausage-shaped) |
Equal and tapering |
Equal and tapering |
Unequal and blunt |
Anal saddle |
Smooth (Fig. 4) |
Conspicuously spiculated
(Fig. 3) |
Smooth or weakly speculated. (Fig. 4) |
Smooth (Fig. 4) |
Lateral hair |
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Comb scales | Aligned in a single, neat row | In a patch | In a patch | In a single, or partly double row. Never aligned in a neat row. |
Siphonal tuft |
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Figure 1. The upper and lower head hairs of Aedes japonicus larvae are multiple (tufts) and arranged in a straight line. Aedes japonicus |
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Figure 2. The upper and lower head hairs of Aedes atropalpus larvae are single hairs that are arranged in a "box-like" formation.
Aedes atropalpus |
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Figure 3. A spiculated anal saddle.
Aedes japonicus |
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Figure 4. A smooth anal saddle.
Aedes atropalpus |