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Stenoscutus africanus, nov. sp.
Head pale with two dark spots and a golden border around the eyes; proboscis and palpi dark brown. Thorax bright chestnut-brown with scattered golden scales; scutellum pale creamy; pleura pale brown with creamy spots. Abdomen fuscous with pale dull ochreous basal bands. Legs unbanded.
Head brown with rather long, pale, curved scales in the middle, golden curved scales around the eyes, a patch of flat black scales at the sides, then flat dull grey ones, black upright forked scales; palpi black, rather short; proboscis bronzy black; antennæ brown, basal segment bright ochraceous.
Thorax bright brown, with narrow-curved pale golden scales, especially in front of the base of the wings; chætæ deep brown with pale bases; scutellum brown, with broad-curved, almost spindle-shaped, creamy scales to the mid lobe, and flat creamy ones to the lateral lobes, with a few narrow-curved ones (when the head is pointed away from the light these scales are all dusky); border-bristles to the mid lobe, five in number; metanotum deep chestnut-brown; pleuræ brown with flat creamy scales and many golden-brown chata.
Abdomen deep fuscous brown with basal, indistinct, dull ochreous bands and golden and brown border-bristles: the pale bands spread out laterally, but are obscure on the apical segments and are partly due to scanty scaling; venter with broad ochreous bands.
Legs uniformly brown with dull ochreous and bronzy reflections, and a pale spot at the apex of the hind femora and tibiæ; fore and tid ungues equal and uniserrate; chæræ on the femora and metatarsi dark, on the tibiæ golden.
Wings with the first fork-cell longer and a little narrower than the second, its base, if anything, a little nearer the apex of the wing, its stem a little less than one-half the length of the cell, stem of the second fork-cell also a little more than one-half the length of the cell: posterior cross-vein about its own length distant from the mid. Halteres dull ochreons.
Length: 35 min.
Habitat: Oluasi.
Time of capture: 11, viii., '07 and 2, x.. '07.
Observations: Described from two 9's caught in the bush. This species, the only one in the genus, can at once be told by the generic characters of the scutellar scales: the thorax in one shows distinct grouping of the golden scales.
Genus CULICIOMYIA, Theobald.
:
(Mono. Culicidæ, IV., p. 227, 1907.)
Culiciomyia nigrocketæ, Theobald.
(Mono. Culicidæ, II., p. 60, 1901.)
Two's, one caught at Kumasi, in hospital, at noon, 20, x., '07, and one in bedroom at Obuasi.
NOTE. I described this originally in the genus ('ulea. It clearly comes in the genus Culiciomyia, since founded, which has different cephalic scales and male genitalia.
Culiciomyia uniformis, nov. sp.
Thorax dusky brownish-grey; palpi and proboscis and antennæ dark brown. Abdomen deep brown to black, unbanded and unspotted. Legs deep brown, coxa pale, femora pale ventrally. Wings with long fork-cells." Male palpi black, acuminate, longer than proboscis.
9 Head slaty grey with narrow-curved dull creamy scales, broader, almost flat, white ones around the eyes, flat dusky and white ones laterally, a few broader creamy-scales between the eyes in front, and numerous thin, black, upright, forked scales; clypeus brown; proboscis, palpi, and antennæ black.
Thorax dusky brownish-grey, with some darker lines on the integument, with uniformly-disposed. narrow-curved bronzy scales over its surface; scutellum deep brown with narrow-curved dull creamy scales and six brown posterior border- bristles; metanotum shiny black; pleuræ pale.
Legs deep brown with violet and dull bronzy reflections; coxæ grey, venter of femora pale; ungues small, equal, and simple. Abdomen black with pale border- bristles; in some, traces of grey lateral scales, more or less apically placed on the segments; venter ochreous with pale scales.
9
Wings with long fork-cells, the first sub-marginal much longer, but very little narrower, than the second posterior cell, its base nearer the base of the wing, its stem less than one-fourth the length of the cell; stem of the second fork-cell about one-third the length of the cell; posterior cross-vein longer than the mid, about its own length distant from it. Halteres with pale stem and fuscous knob.
Length: 48 to 5 mm.
Head clothed with narrow-curved grey to creamy ones in the middle, flat, rather loose, white ones in front and around the eyes and sides, some ochreous ones at the sides behind, ochreous tipped, upright, forked scales in the middle, dark ones near the eyes and a few at the sides narrower than the median ones. Palpi and proboscis brown; the former longer than the proboscis by about half the apical segment; the apical segment twice as long as the penultimate, bluntly acuminate; long black hairs on each side, also on the apical half of the penultimate; antennæ with brown plume-hairs; the segments yellowish-brown above, the lower half white, the areas separated by the verticillate hairs. Legs as in the female; but the fore and mid ungues are unequal, both uniserrate, the larger with a large tooth, the smaller with a very small one close to the base; hind equal and simple.
Wings with rather long fork cells. the first longer and narrower than the second, their bases nearly level; stem of the first one-third the length of the cell, stem of the second about one-half the length of the cell; posterior cross-vein longer than the mid, about its own length distant from it. Abdomen like the 9, except that there are white scales on the dorsum of the last segment; genitalia with short stiff spines on one side near apex of clasper, placed in a group backwardly projecting; a prominent spine on one side as in ('. freetownensis, but the foliate plate is broader.
Length: 5 mm,
Ilabitat: Oluasi.
Time of capture: 20, vi., '07; 30, ix., '07; 15, viii., '07; 15, 20, xii., '07. Observations: Described from a series of.d's and 9's taken in the bush and on bush paths: one female taken in bedroom.
This species comes very near ('uliciomyia freetownensis, Theobald, but can be told by the much longer fork-cells and the slightly different male genitalia. It also resembles Culer nigrochætæ, Theobald, but can be told by the male ungues, and from the allied ('. cinereus, Theobald, by the six mid scutellar bristles.
There are traces of dull pale scales at the sides of the abdomen, but only seen in certain lights.
Culiciomyia nebulosus, Theobald.
Culex nebulosus, Theobald. (Mono. Culicidæ, II., p. 331, 1901.)
Habitat.-Ohuasi, taken in bedrooms, in hospital latrines, in house, and on windows after rain, and one in the bush at 5 p.m., others at 1, 7, and 8 p.m. on following dates:-5, 17, vi, '07; 5, vii. 1 and 10. ix.; 2, 3, 6, 9, 27, x.; and 1, xi., '07.
NOTE.-I originally placed this species in the old genus Culer: it comes well in the Culiciomyia.
genus
Culiciomyia freetownensis, Theobald.
Culex freetownensis, Theobald. (Mono. Culicidæ, II., p. 69, 1901.)
Habitat: Obuasi: taken along bush paths at 2, 10, and 11 p.m., 20 and 21, viii., '07, and 7, 8, 20, 21, and 29, xi., '07.
NOTE.-Perfect specimens of this species show the venter of the abdomen to be white, except the apical segment, which is deep black. It also comes in the genus ('uliciomyia and not Culex.
Genus: BATHOSOMYIA, nov. gen.
Head clothed with loose flat scales, except for a few small narrow-curved ones in the middle at the base. Thorax with rather large narrow-curved scales, also the scutellum, palpi of male longer than the proboscis, the last two segments about equal in length and hairy. Hind ungues of the male unequal and uniserrate. Male
13508
B