192 DOLICHOPID^. 



with Hack above and at the tip. TJiorax with a rusty tarnish in front ; 

 denuded behind and on the scutellum, with bright metallic tints. 

 Prostermim with three pale spines at each side. Wings smoky-hyaline ; 

 the fore edge, the transverse vein, and a dot on the subapical, clouded 

 with bro^vn. Halteres yellowish. Abdomen with the margins of the 

 segments somewhat ciliated, more so in the male ; appendages of the 

 hypopygium nearly of equal length, dusky, the outer pair oblong, the 

 next bifid. Legs blackish ; the trochanters and the tip of the femora 

 pale yellotvish ; the tibice, at the base a little, and at the tip more largely, 

 ferruginous ; in the female the base of the tarsi is also ferruginous, and 

 the femora and tibise sometimes almost entirely so ; the posterior coxae 

 have a spine outside, the hind femora one in front beyond the middle ; 

 all the tibiae are armed with strong spines, the hind pair most thickly. 

 In the male the anterior tarsi and the hind metatarsus are pale yellowish, 

 the joints tipped with black ; the fore pair fringed outside with black 

 bristles, increasing in length towards the end, but ceasing at the tip 

 of the fourth joint, which has a long spine beneath ; the last three 

 joints of the intermediate tarsi are short, compressed, and ciliated at 

 both sides ; the /ore tibia is armed at the tip inside with a black spur, 

 composed of three long spines iinited. 



Inhabits the sea-coast and about salt springs ; rare with us. 

 In Mr. Walker's collection. (E.) 



2. xnificomis, Hal. a. u. h. ii. 184 (1838). — maculicornis, Ztt. 

 j3^nescens, thoracis dorso antice ferruginoso, antennis subtus rufs, coxis 

 anticis pedibusque flavis, tibiis apice tarsisque fuscis, halteribns ftavis ; 

 Mas. hypopygii appendicibus flavis, interioribus elongatis filiformibns. 

 Long. 1\ ; alar. 4 lin. 



Dull brassy, beneath greenish-gi-ey. Face burnished in the middle. 

 Palpi pale yellow. Antennae reddish-tawny , edged with black above and 

 at the tip. Thorax with a rusty tarnish in front ; denuded behind and 

 on the scutellum, with bright metallic tints. Prosternum unarmed, 

 only a little haiiy at the sides. Wings smoky-hyaline ; the transverse 

 vein and dot very faintly shaded. Halteres pale yellotvish. Appendages 

 of the hypopygium of male pale yellow ; the outer ones small, oblong, 

 pubescent, the inner ones elo?igated into a twisted thread. Legs and fore 

 cox(B pale yellowish, tibice a little dusky at the tip, tarsi dusky, except at 

 the base ; the posterior coxse and femora unarmed ; the spines of the 

 posterior tibiae not numerous, the fore pair nearly unarmed. 



On the sea-shore. (E. I.) 



3. versutus, (Hal. MSS.) Cinereus, fronte thoraceqne supra fer- 

 ruginosis, antennis subtus femoribus apice tibiisque ferrugineis, halteribus 

 fuscis. Teem. Long. 1 ; alar. 2^ lin. 



Grey, inclining to glaucous on the metathorax and abdomen and 

 beneath. Front with a rusty tinge. Pace not so broad as in the 

 preceding. Antennae black, a little nfe&cent below, the last joint 



