. Blood-sucking mosquitoes of the subtribe Culisetina (Diptera, Culicidae) in world fauna. Mosquitoes. * 2 3 4- 5 5 7 ? 5 10 11 12 13 f4 f5 /6 77 ffi 19 20 22 23. 30 31 Fig. 31. Types of larval setae. 1—simple and long; 2—simple and short; 3—simple and rudimentary; 4—simple, long and pubescent; 5—simple, long and slightly plumose; 6—simple, long and plumose; 7—simple, short and laciniated; 8—simple, long and laciniated; 9—simple, long and verticillated; 10—simple, long and slightly serrated; 11—simple, long and serrated; 12-14—simple, long and cristated; 15—dolabriform; 16—simple, leaf-shaped;
. Blood-sucking mosquitoes of the subtribe Culisetina (Diptera, Culicidae) in world fauna. Mosquitoes. * 2 3 4- 5 5 7 ? 5 10 11 12 13 f4 f5 /6 77 ffi 19 20 22 23. 30 31 Fig. 31. Types of larval setae. 1—simple and long; 2—simple and short; 3—simple and rudimentary; 4—simple, long and pubescent; 5—simple, long and slightly plumose; 6—simple, long and plumose; 7—simple, short and laciniated; 8—simple, long and laciniated; 9—simple, long and verticillated; 10—simple, long and slightly serrated; 11—simple, long and serrated; 12-14—simple, long and cristated; 15—dolabriform; 16—simple, leaf-shaped; 17—simple, fur- cated; 18—simple, long and bifurcated; 19—paired and long; 20—slightly branched; 21—branched and rudimentary; 22—branched and short; 23— branched, long and smooth; 24—branched, long and pubescent; 25—cone- shaped and simple; 26—cone-shaped and pubescent; 27—scopiform; 28—dendritic; 29—flabellate tuft of setae; 30—fin-shaped and short; 31— fin-shaped and long; 32—plumose; 33—multiple, leaf-shaped. head, thorax and abdominal segments in different directions, also act as receptor organs and are fairly extensive sensitive areas in the body of the larva. Among the other functions of setae are their help in swimming (setae of the fin [paddle] on the anal segment). They also support the body on the water surface (palmate and some other larval setae). Of great interest are the hook-shaped variation and the articulation of the setae found near the rear valves of the stigmal plate in Culiseta jumipennis. The hook-shaped setae enable the larvae to hold on to the aquatic vegetation during prolonged retention under water; the larvae breathe the oxygen exhaled by the leaves. A similar pheno- 47 menon is known although to a lesser extent in C. morsitans and some other larvae (Monchadskii, 1936, 1937; Wesenberg-Lund, 1920-21). The diverse types of setae, teeth and spines found on the labrum,. Please note that these
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Keywords: ., bookcentury1900, bookcollectionbiodiversi, booksubjectmosquitoes
