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.

    477/640 (page 429)
    proboscis brown, darker at the tip ; palpi of 2 > black, with a few grey scales ; those of the $, longer than the proboscis by all the last, and half of the next joint, brown, with a white band on the basal third. Legs yellowish on the femora, darker below, with clear yellow knee-spots. Pleurae brown, with whitish patches. Halteres with a dusky lateral line and darker knobs. Venter with broad white basal bands. Tarsal claws of 2 > equal and simple ; those of $•, unequal, with an extra tooth on the fore and mid legs : the hind equal and simple. Length.—About 5 mm. Habitat. — South Africa : Durban and Salisbury, Mashonaland. February to April, and also from Singapore, in July. 71. CULEX QUASIUNIYITATUS, Theobald (Monog. II, p. 32). Closely resembles the above, but differs in having two black patches on the head ; by the tarsal claws of the fore and mid legs of the female having each an extra tooth ; and by there being a pair of indistinct median pale lines on the point of the mesono- tum. Length.—5 mm. Habitat.—Salisbury, Mashonaland. 72. CULEX RESTUANS, Sp. n. (Walker, MS.). (Monog. II, pp. 119 and 142). Tarsi uniformly bronzy-black. Thorax bright chestnut-brown, with golden-brown curved scales; two round pale spots on the mesonotum, a patch of pale scales just in front of the root of the wings, and paler scales around the bare space in front of the scutellum. Abdominal segments dusky brown, with basal bands of yellow, and pure white lateral spots. Ungues of the 2 , equal and simple. 2 •—Head black, with numerous pale creamy, curved, and black, upright forked scales, with flat white scales at the sides of the head; palpi black, greyish at the tip ; antennse with the basal joint and base of the second, testaceous, remainder blackish-brown, with pale pubescence ; clypeus and proboscis brown. Scutellum pale with six bristles to the middle lobe. Pleurae pale brick-red, with four white patches. Legs bronzy-brown to black, except the coxae, the bases of, and ventral sides of femora, which are very pale, and also a yellow knee-spot. Halteres with pale yellow stem and dusky knob. Length.—6 mm. Habitat.—Toronto and Ontario, Canada. 73. CULEX AUSTRALIS, Erichson (1842). = Culex crucians, Walker (1856) (?). {Archiv. fur Naturg. viii, p. 470 (1842), Erichson; Ins. Saundersiani, i, p. 482 (1856) ( = C. crucians), Walker (?)]. Tarsi, uniformly black. Thorax, deep rich chestnut-brown, with small golden curved scales, more or less arranged in lines.