. Blood-sucking mosquitoes of the subtribe Culisetina (Diptera, Culicidae) in world fauna. Mosquitoes. Fig. 59. Culiseta alaskaensis alaskaensis. a—hypopygium of the male; b—head; ?—posterior end of the 4th-instar larva. than one-half the length of the head. The upper genal seta with many branches, usually 8-9 (6-11). The median frontal seta invariably less branched than the inner one and the latter weaker than the outer frontal seta. Mesothoracic seta 1 small and usually with many bran- ches. The comb as a rule with 50 scales or less, although there could be more (up to 70); scales with paral
. Blood-sucking mosquitoes of the subtribe Culisetina (Diptera, Culicidae) in world fauna. Mosquitoes. Fig. 59. Culiseta alaskaensis alaskaensis. a—hypopygium of the male; b—head; ?—posterior end of the 4th-instar larva. than one-half the length of the head. The upper genal seta with many branches, usually 8-9 (6-11). The median frontal seta invariably less branched than the inner one and the latter weaker than the outer frontal seta. Mesothoracic seta 1 small and usually with many bran- ches. The comb as a rule with 50 scales or less, although there could be more (up to 70); scales with parallel lateral margins without percep- tible median constriction. The siphon is relatively short and broad: the first siphon index is usually less than 3; the second siphon index (ratio of the diameter of the base to that of the apex) less than (usually around ). Lateral seta of the saddle with 2-5 branches (usually 3), slightly shorter than the Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Maslov, A. V; Ward, Ronald A. Washington : Smithsonian Institution Libraries : National Science Foundation
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Keywords: ., bookcentury1900, bookcollectionbiodiversi, booksubjectmosquitoes
