Genus Rachisoura . 
207 
ungues unequal, the larger with a large tooth, the smaller with 
a small one near the base; mid very unequal, simple; hind equal 
and simple. 
Wings with the fork-cells shorter than in 9 , of nearly equal 
length ; their stems nearly as long as the cells, posterior cross- 
vein about its own length distant from the mid. 
The male claspers are very marked, being bifid. 
Length .—2 * 3 mm. 
Habitat. —Accra (Dr. Graham). 
Time of capture.— 11, 12, 16, 18, 20. vi. 08. 
Observations .—Caught in latrines at 8 a.m. Described from 
two perfect 9 ? s and two £ ; s. A very distinct small species with 
marked thoracic spotting. Yery numerous in June. Three 9 
taken in same locality, 12 and 18. vi. 08, show only the two 
anterior silvery thoracic spots. 
Types in the British Museum. 
Aedimorphus domesticus. Theobald (1901). 
TJranotaenia domestica. Theobald (1901). 
Mono. Gulicid. II., 253 (1901); III., 291 (1903), Theobald. 
Old Calabar. 
Additional locality. —Accra (Dr. Graham). A numerous 
species and caught in latrines and in bush paths, April and 
October. 
Type in the British Museum. 
Genus RACHISOURA. nov. gen. 
Palpi short in the 9 j nearly two-thirds the length of the 
proboscis in the £ , acuminate, thin, no hair tufts. Head clothed 
with flat scales, a few narrow-curved ones on the nape ; clypeus 
round, much constricted from head; antennae with long verti- 
cillate hairs in both sexes, $ most dense. Thorax with large 
narrow-curved scales; scutellum with flat scales. Abdomen 
with the apex very bristly. Wings with rather short fork-cells,, 
scales broad and dense. 
This genus can at once be told Jpy the markedly bristly apex,, 
and by the marked palpi of the male. 
