360 GNATS OR MOSQUITOES — CHAPTER XIII 



Sombrely-tinted Species. 



a. Thorax ornamented. 

 )8. Legs banded. 



Thorax with median paler line 

 covered with golden scales, and 

 two pale-scaled lines in front and 



behind 7 fasciolatus (Arri- 



biilzaga). 



Thorax chestnut-brown with small 

 golden scales ; abdomen duskj- 

 yellowish-brown, with scattered 

 yellow scales and pale lateral spots 8 lUchardii (Ficalbi). 



Thorax dark brown, witli pale golden 

 scales on the front two-thirds, 

 black on the remamder 9 tenax, Theob. 



Thorax brown with golden scales, 

 white over "^roots of wings and a 

 pale line on each side of a bare space 

 in front of scutellum ; pale ab- 

 dominal bands apical 10 afjer, Theob. 



aa. Thorax unadorned. 



Thorax very dark, abdomen with 



pale apical bands 11 Pe//«r6a??s(Walker). 



1. T^NIORHYNCHUS CONOPAS (Frauenfeld). 



(Verhand. Zool. Bot. Ges. Wien. xvii, 451 [1867].) 



Wings unspotted, very densely clothed with long obovate 

 scales of an uniform yeIlowish-l)rown colour, the scales being 

 perhaps the most characteristic of any species. Tarsi dark brown 

 with pale basal bands. Thorax golden-yellow with four dark 

 purple patches on either side. Abdominal segments indistinctly 

 basally pale banded. The 2nd to 5th being metallic purple at 

 the apices. Generally yellow throughout. Tarsal claws serrated 

 in both sexes. 



J . — Head densely covered with curved golden yellow scales and a 

 very few brown upright forked ones ; eyes black below, witli silvery 

 sheen above ; palpi clothed with yellow scales, a few black hairs ; antennae 

 yellowish at the base, pale brownish towards apex, faintly pale banded ; 

 proboscis dark yellow, black at the apex. Scutellum pale yellow in the 

 middle, dark purple laterally. Pleurte and coxtr pale yellowish with 

 three black lines. Legs bright fciTuginous with the apices of the joints 

 darker, especially on tlie fore pair. Wings longer than abdomen. Venter 



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