160 DOLICHOPID.E. 



yellowisli-white, with a broad black border. LexjH, and the tip of the 

 f'ore coxa3, tawny yellow ; hind tihice Hack at the end to about a fourth 

 of their length ; tarsi black, anterior metatarsi yellowish. Posterior 

 femora ivith three to Jive spines in a row between the middle and the 

 tip. All the femora in the viale fringed beneath in the outer half tvith 

 blackish hairs, longest on the hind pair. One of the largest species, 

 and very stout. 



Abundant on the rank herbage about drains. (E. S. I.) 

 Obs. Musca ungulata, L. (fn. i. 1053), originally denoted a 

 different insect (see Hydrophonis binotatus) ; and that trivial 

 name has been since applied so variously that it seems best to 

 drop it entirely. 



10. brevipennis, Mg. iv. 89. 27 (1824) ; Stn. ; Hal. ; Stg. ; Ztt. 

 — 2)liimitarsis var., Y\v\.— -ungulatus, L. ? s. n. xii. JEneo-viridis, an- 

 teiinis nigris, pedibus luteis, posticorum tibiis apice tarsisqiie nigris ; 

 Mas. tarsis atiticis a)'ticulis diiobus extremis comjyressis atris, quinto 

 latissimo, femorihus posticis pallido-ciliatis, alls lineola costah nigra, 

 hypostomate ochraceo ; Feeyn. hypostomate eano. Long. 2| ; alar. 

 4f hn. 



Brassy-green. Face ochre-yellotv in male, lohitish in female. Wings 

 hyaline, with a black costal swelling, in male ; smoky hyaline in female. 

 Lamelte dingy yellow, with a very broad blackish border. Legs, and 

 tip of the fore coxffi, taicny yellow ; trochanters brownish ; hind tibicB 

 black at the end, to a fourth of their length in the female, in the male 

 to a full third ; tarsi black ; first three joints of fore pair, and meta- 

 tarsus of the middle pair, yellowish. In the male the hind femora are 

 fringed with pale yellow hairs, the fore tarsi are slender, half as long 

 again as the tibia, the fourth and fifth joints deep black, short, com- 

 pressed, and ciliated on the upper edge, the fifth much the broadest, 

 pallet-shaped. 



Common in swampy spots. (E. S. I.) 



11. equestris, HaL z. j. v. 359. 4 (1831). — cinctus, Stg.— Sfcr- 

 geri, Ztt. yFneo-viridis, hypostomate albo, antennis nigris, pedibnsfiavis, 

 posticorum tibiis apice tarsisque nigris; Mas. tarsis anticis articulo 

 tdtimo compresso atro, femoribus p)Osticis nigro-ciliatis, alis lineola costali 

 nigra. Long. 2; alar. 4 lin. 



Brassy-green. Face white. Wings hyaline, with a slight black 

 costal swelling in the male. Black edge of lamcUas narrow. Legs 

 and fore coxpb yelloio, the latter at the base blackish-grey. LLind tibia 

 at the tip and tarsi black, anterior metatarsi yellowish. Ln the male 

 the fore tarsus is considerably longer than the tibia, with the inter- 

 mediate joints brownish, the fifth joint shortest, compressed, deep black, 

 (much smaller in proportion than in the preceding species ;) the hind 

 femora ave fringed loith black hairs. 



Rare. In Mr. Haliday's collection. (1.) 



