A Monograph of Culicidae. 
scaled pleurae, which also hear a median patch of flat black 
scales 3 prothoracic lobes covered with flat white scales 3 chaetae 
scanty, a patch of golden-brown, much curved ones in front of 
the roots of the wings, rather short 3 scutellum with flat dusky 
scales and some paler ones, scales large 3 metanotum nude, deep 
brown except at the apex where'it is reddish-testaceous. 
Abdomen blackish, here and there the testaceous integument 
shines through the scales 3 first two segments plain, third to 
eighth with basal yellow scales, the third to fifth with median 
semicircular patches, the others with yellow basal bands, very 
broad on the last two segments 3 laterally are large snowy-white 
triangular patches, the base of the triangle towards the apices of 
the segments, but cut oft from them by narrow apical black 
scaled lines, the corners of the triangles show on the dorsum as 
white spots from the third to the seventh' segments as almost. 
Fig. 51. 
Wing of Brevirhynchus magnus . ?. Theobald. 
apical spots 3 border-bristles dusky 3 on the last five segments 1 , 
the white lateral spots are yellow at the base. 
Legs thick, black, paler below, white knee spots and traces, 
of minute pale basal banding, chaetae on the femora and tibiae, 
golden 3 fore and mid ungues simple, minutely uniserrate. 
Wing scales dense, brown, a few pale ones near the base,, 
broad and almost Taeniorhynchus-like in places 3 first sub¬ 
marginal cell longer and narrower than the second posterior cell,, 
its base nearly level with that of the latter, its stem just a little- 
longer than half the length of the cell, stem of the second posterior 
cell not quite two-thirds the length of the cell 3 posterior cross¬ 
vein sloping towards the base of the wing, twice its own length 
distant from the mid 3 the third long vein carried on as a very 
distinct pseudo-vein to the base of the wing. 
Length .—6 mm. ' e 
£. Head, thorax and abdomen much like the , but the. 
