130 SYRPHID ©. 
black, no distinct bands of pale hairs; third segment twice as long as 
the second, fourth three times as long as the third, all the sutures 
distinct ; genitalia red, clothed with short vellowish hair. Legs 
almost bare, with black ecoxz; femora and tibie of a very dark 
reddish colour, but the former blackened at base or at least at end; 
tarsi black or dark brown, the first joint of the hind tarsi slightly 
thickened; claws black, pulvilli dark brown; front tarsi very 
broad and ‘flat, grey pollinose above. Wings long and broad, with 
a general shining ‘brownish- vellow tinge and strong, black veins ; 
lower outer corners of subapical and discal cells very much rounded 
and without stumps ; alula, axillary lobe, anal cell, ‘and middle part 
of the second basal cell in contact, with the fourth longitudinal 
vein almost hyaline. 
The female (fig. 22) is very like the male, but of larger size and 
blacker in colour; the pubescence on the face is black, yellowish 
only towards the eyes and margin of the buccal cavity; eyes 
farther apart; occipital border less developed ; thorax and scutellum 
with black pubescence ; abdomen longer, entirely black, the fifth 
segment one-third as long as the fourth; legs entirely black ; 
wings for the most part greyish hyaline, the dark tinge being 
limited to the fore border and not extending beyond the third 
longitudinal vein. 
Type 3, trom Uganda Protectorate, Tero Forest, S.E. Buddu, 
3,800 ft., 26-30. ix. 1911 is: A. Neave); type °, from N.W. 
shores oF Victoria Nyanza, 3,800-3,900 ft., 12-15. ix. 1911 (same 
collector). 1 think there can be no doubt on the female described 
belongs to the same species as the male. 
136. Microdon erythrocephalus, sp. n. 
2. Length of body 13 to 14 mm., of the antennze 4 mm. 
A very distinct black species, with red head, antenne, and legs, 
forming another addition to the extensive list of Ethiopian flies 
distinguished by their black or blue bodies and wings, which 
contrast with their red heads, like Bromophila caffra, Macq., 
Clitodoca fenestralis, Macq., Platystoma ruficeps, Enderl., ete. 
Head very broad, entirely dark red, with short golden pubescence 
on the face, a small amount of similar pubescence on the central 
portion of the frons, silvery hair on the lower hind borders of the 
eyes, and with some white erect hairs on the lower part of the nie ; 
occipital border very broad at the vertex, S/ratvomyzia-like ; trans- 
verse furrow in middle of frons distinct ; ocelli agoregated — a 
small black dot, on either side of which there is a aa which 
anteriorly converges towards its fellow; a shorter furrow runs 
obliquely from the upper angle of each eve to the vertex ; above the 
base of the antenne there is a triangular smooth area of a blackish 
colour, which is connected by a furrow with the anterior extremity 
of the ocellar furrows ; eyes shining black, comparatively small, 
and oval ; opening of buccal cavity small ; proboscis reddish, re- 
tracted ; antenne long, entirely red. the third joint paler than the 
