1908.] Records of the Indian Museum. 93 



segments. Two broad gold hair spots, meeting towards the apex 

 of the abdomen J form a V. 



Legs entirely bright tawny, with minute silver-yellow pubes- 

 cence on outside of tibiae and tarsi. 



Wings quite clear, 4th longitudinal vein quite straight on the 

 recurrent portion. 



Described from four 5 9 (including type) from Mergui in the 

 Indian Museum collection. 



M. ruficaudus, mihi, sp. nov. (PI. xiii, fig. 11.) 

 $ . Calcutta. Long. 14 mm. 



Entire face above and below antennae ferruginous red, with 

 short tawnj" hair ; frons one-fourth width of head ; ocelli very 

 close together ; antennae tawny red, 3rd joint brownish black. 

 Byes bare, shining, facets very small. 



Thorax blackish, with fiery red ferruginous hair ; scutellum 

 similar. 



Abdomen obconical, distinctly longer than thorax ; basal half 

 black ; apical half tawny red with short golden red hair. Bellv 

 bare, basal half black, apical half red. 



Legs ferruginous red, practicall}^ bare ; coxae, a streak at base 

 below middle femora, hind femora wholly except tip, and a spot 

 on outer side of hind tibiae at tip, black. 



Wings tawny yellow. Halteres tawny. 



Described from the one 9 taken b}^ me in Calcutta, 26-ix-04. 

 Type in my collection. 



M. apicalis, V. d. Wulp. 



As the specific name apicalis has been used in this genus 

 I propose wnlpii for this .species. 



M. auricinctus^ mihi, sp. nov. 

 ? . Ceylon. Long. 13 mm. 



This species bears considerable resemblance to my rnficaudns ^ 

 its differences being as follows : — 



The antennae are black, except the dark red basal half of the 

 1st joint. The hair on the face is thick, golden yellow. Metano- 

 tum shining black. The 2nd abdominal segment is black in the 

 centre, and ferruginous red towards the sides ; nearly the whole 

 segment, including the posterior border, being covered with short, 

 fiery golden-reddish tomentose hair. 2nd segment black ; a 

 stripe of short bright golden hair across the base, continued down- 

 wards over the edge, and along the sides, below. K stripe also 

 of similar hair on the posterior border, also carried over the edge 

 to the under side. 4th segment, wholly ferruginous red, nearly 

 bare, except for a little concolorous hair at tip. 



