DIPTEROUS FAMILY rANTOPHTHALMID/E. 



589 



Pantoplithalmus spleiididus, sp. n. (Text-fig. 8.) 

 5 , — Length (one specimen), including ovipositor and facial 

 beak, 37-0 mm. ; width of head 8'4 mm. ; width of front at 

 vertex 1-25 mm. ; greatest width of abdomen (across base of third 

 tergite) 12-6 mm.; length of wing 28 mm.; wing-expanse 

 64*65 mm. 



In 5 sex, at least as represented by type, handsome, blackish- 

 hroivn, black and orange-rufous species, with sviall, inconspicuous 

 and only moderately sharply jjointed facial beak ; dorsum of thorax 

 hearing a jxiir of admedian, sharply defined and conspicuous, pale 

 olive-buff pollinose, longitudinal stripes, apparent colour of which 

 is, in certain aspects, someivhat altered by hairy covering ; blunt- 

 edged abdomen, in which ante7'ior portion of both second and third 

 tergites is shining, and dorsinn of which is black at base, then 

 largely orange-rtcfous, with a black border on each side, in which 

 are a small lohite sjjot, and iioo short, transverse, silvery-white 

 streaks ; dusky wings, with sharply defined, cinnamon-buff' mark- 

 ings, as shoum mi text-fig. 8; hind femora and tibim not so thickly 

 clothed with hair as to appear furry, hind femora fairly stout, 

 somewhat, though not very noticeably, incrassate towards tips, and 

 with small subfemoral and terminal spines. 



Head: front (frons), jowls and basioccipital region black or 

 blackish-brown, face mummy-brown, inner orbits bordering face 

 and at least upper portion of front more or less bufFy-brown or 

 sepia-coloured ; front of moderate width, somewhat broader at 

 anterior extremity than at vertex ; ocelli, at least in type, orange- 

 cinnamon ; facial beak shining black, its base enveloped above 

 with a narrow, matt, mummy-brown covering ; jowls and basi- 

 occipital region clothed with fine, blackish-brown or dark 

 mummy-brown hair ; occiput smoke-grey pollinose,^ posterior 

 orbits narrowly pale smoke-grey ; palpi black or blackish-brown, 

 distal segment somewhat swollen, pointed at tip, distinctly shorter 

 than remaining portion of palpi, which is clothed with blackish 

 hair, distal segment clothed with similar hair at base, and bear- 

 ing two or three hairs of same kind at tip ; antenna; slender (i. e. 

 depth of third (compound) segment not greatly increased at base), 

 blackish-brown or black, paler towards distal extremity, terminal 

 division of third segment greyish cinnamon-coloured at tip, first 

 and second segments somewhat sparsely clothed with black hairs. 

 Thorax : dorsum, so far as can be seen, with no trace of small or 

 minute, shining, rounded, wart-like tubercles, with which as a 

 rule in Pantophthalmidae this region is characteristically and 

 plentifully besprinkled ; scutellum, sides of main portion of dorsum 

 (scutum) behind humeral calli, and central area of dorsum in 

 front of prescutellar groove and behind ends of olive-buflf pollinose 

 stripes chestnut-brown, this hue being darker on sides of scutum 

 and brighter in case of scutellum ; admedian, olive-buff pollinose 

 stripes separated in middle line by a narrow, tapering, chocolate- 

 brown stripe, and bordered on each side by a much broader, 



