A handbook of the gnats or mosquitoes : giving the anatomy and life history of the Culicidæ, together with descriptions of all species noticed up to the present date / by Geo. M. Giles.

  • George Michael James Giles
Date:
1902
Catalogue details

Licence: Public Domain Mark

Credit: A handbook of the gnats or mosquitoes : giving the anatomy and life history of the Culicidæ, together with descriptions of all species noticed up to the present date / by Geo. M. Giles. Source: Wellcome Collection.

    464/640 (page 416)
    45. CULEX YEXANS, Meigen. = C. articulatus, Rondani. [Syst. Beschr. vi, 241, 16, Meigen; Dipt. Scand. ix, 3464, Zett. ; Isis (1831), 1203, 60, Ruthe; Fn. Austr. ii, 627, Schiner ; Dipt. Neer. 325, V. d. Wulp; Bull. Soc. Ent. Ital. 258 (1896), Ficalbi, and Venti Specie Zan. Ital. p. 125 (1899), Ficalbi; Sp. Ital. d. Gen. Culex, Bull. Soc. Ent. Ital. (1872), Rondani (= articulatus). ] Tarsal joints all more or less narrowly basally white banded except the last. Thorax unadorned, dark grounded, with golden scales. Abdomen brown, with basal white bands, narrowed in the middle. Tarsal claws all with an extra tooth in both sexes ; those of fore and mid legs of $ , markedly unequal. Hook of claspers of $ , bifid {vide Plate xvi, fig. 13). Head brown, with yellowish scales; palpi of 2 , brownish-black, with a small fourth joint, with a few pale scales, those of $, brownish-black, longer than the proboscis, and pale at the bases of the joints ; proboscis yellowish-brown, darker at the base and tip ; antennae brown. Thorax unadorned, clothed with pale golden scales ; pleurae with patches of white scales. Abdomen brownish, with basal white bands, narrowed in the middle. Wings with yellowish-brown veins. Legs with the coxae brownish, with white scales ; femora brown, yellowish at the base and beneath; tibiae slightly spinose, brown. Venter yellow with a dark median line. Length.—About 7 mm. Habitat.—Has been recorded from most parts of Europe, but doubt¬ fully so from England. 46. CULEX CANTANS, Meigen. = C. stimulans, Walker; — C. maculatus, Meig.; —C. fumijpennis, Stephens. (Syst. Beschr. i, 6, 6, Meigen ; Dipt. N. d. Fr. 160, 2, Macq. ; Ins. Lapp. 806, 3, Zett. ; Dipt. Scand. ix. 3461, Zett. ; Fn. Austr, ii, 627, Schiner; Dipt. Neer. 326, Van der Wulp; Ins. Brit. Dipt, iii, 246, Walker; Bull. Soc. Ent. Ital. p. 258 (1896), Ficalbi; Syst. Beschr. i, 6, 7 (—Maculatus), Meigen.) Tarsi black, with some white scales intermixed on the first joints ; the first three of the fore, upper four of the mid, and all the hind joints basally white banded, very broadly so on the last. Thorax unadorned, dark grounded, with golden-yellow and brown curved linear scales, rather paler in front of the scutellum. Abdominal segments nearly black, with pale yellow basal bands, broadening laterally so as to almost or quite meet in some speci¬ mens ; venter white. All of the $ tarsal claws with one extra tooth and also the fore claws of the 2 . (Plate xvi, fig. 12).