398 ME. F. W. EDWAEDS ON DIPTEEA 



femora ochreous-brown. Wings with a yellowish ground-colour and brown markings, 

 the latter arranged as follows : — a patch at the base of the basal and anal cells; a 

 transverse fascia extending across the apices of these cells, broadening towards the 

 hind margin of the wing ; a patch surrounding the apical part of the upper branch 

 of the fifth longitudinal vein (Cuj), and a large patch occupying most of the apical 

 third of the Aving, darkest in the first, second, and third posterior cells. A roundish 

 hyaline spot (opalescent against a dark background) is present near the apex of the 

 first posterior cell, and another larger one close to the base of the second posterior 

 cell; the second basal and discal cells are also for the most part hyaline. The second 

 posterior cell has a pointed base and is much longer than the third. Halteres with 

 ochreous stem and blackish knob. 



Length of body 7 mm., of wing 7'5 mm. 



This species belongs to a group which appears to have numerous representatives in 

 both the Australasian and Oriental regions. The one which most closely resembles 

 C. hinoculatus is C. stylatus Walker, described from a female from Mysol. This 

 differs principally in the absence of the round hyaline spot in the first posterior cell, 

 and, as the two specimens belong to opposite sexes, it is just possible that this 

 difference may eventually prove to be merely sexual. 



Family Asilid^e*. 



Subfamily Laphriinse. 



Genus Maira. 

 Maira Scliiner, Verh. zool.-bot. Ges. Wien, Bd. xvi. p. 673 (1866). 



18. Maika wollastoni, sp. n. (PI. XXXVIII. fig. 4.) 



6 ? . Length, 6 (2 specimens) 19 to 24 mm., ? (3 specimens) 19 to 22 mm. ; 

 width of head, 6 5 to 6*2 mm., $ 5'2 to 6 mm. ; length of wing, 6 15-5 to 19 mm., 

 ? 16-6 to 17-75 mm. 



Dorsum of thorax moderately shining, bronze-coloured, anteriorly with a pair of con- 

 spicuous, yellowish, or whitish, shimmering pollinose, cuneate patches, each with its base 

 covering the corresponding humeral callus, and its apex extending hack towards or as 

 far as the transverse suture, each lateral portion of which is clothed with similarly 

 coloured polleii ; from each lateral extremity of transverse suture, also, a shimmering, 

 yellowish ptollinose, somewhat cuneate mark extends backwards above base of wing ; hind 

 border of main portion of dorsum of thorax immediately above scutellum more or less 

 distinctly clothed with cinnamon-rufous pollen ; abdomen metallic blue, greenish-blue, 

 or purplish-blue, lateral extremities of hind margins of third to sixth tergites inclusioe 

 sihery-vjhite pollinose ; wings sepia-coloured, paler {nearly hyaline) at base; legs 



■ * By E. E. ArsiEN, 



