413. 

 EPHYDRA SPILOTA. 



Order Diptera. Fam. Muscidae. 



Type of the Genus, Ephydra riparia Fall, 

 Ephydra Fall., Meig., Curt. 



AntenncE inserted at the upper part of the face between the eyes, 

 rather remote, deflexed, 4-jointed ; basal joint somewhat cup- 

 shaped, 2nd larger, wedge-shaped, producing a few strong 

 bristles, 3rd twice as large, elongate-trigonate, very pubescent, 

 4th forming a long seta attached to the top of the 3rd near the 

 base, sometimes very pilose at the base, naked at the apex and 

 producing long hairs at the middle (3). 

 Tropin arising from a large cavity beneath the head. 

 Labrum very short, broad and subovate-quadrate, accuminated 

 in the centre ( I b.), attached to the anterior margin of the labium ? 

 which is large and hollow ; on the inside of its lateral margins 

 the Palpi are attached, they are small clavate and pilose (f). 

 Lip large pilose and horny, with the edges of the lobes, which 

 are not long, membranous (g). 

 Head producing long bristles suhtrigonate, truncated beneath and hol- 

 low (2) .• hypostoma convex and villose. Eyes alike in both sexes, 

 subglobose lateral and prominent : Ocelli 3 in triangle at the back 

 part of the head (2*). Thorax subglobose bristly : Scutellum some- 

 what trigonate-conical producing a few long bristles. Abdomen de- 

 pressed, elliptical, 5-jointed. Wings longer than the body, incumbent, 

 ovate, costa bristly, costal cell short, the others long, 2nd and 3rd 

 united near the base, 3rd and 4th before the middle, and the 4th and 

 5th near the margin, by transverse nervures (9). Halteres curved 

 and clavate at the apex. Legs rather slender, intermediate pair the 

 longest. Tarsi 5-jointed, basal joint the longest. Claws slender and 

 acute. 



Spilota Haliday's MSS. — Curt, Guide, Gen. 1339. 



Dull black somewhat shining; hypostoma black ; clypeus clothed 

 with short ochreous pubescence, antennae with the 3rd joint sub- 

 ovate, the seta ciliated with bristles above nearly to the apex : 

 thorax brassy : abdomen pilose : wings iridescent transparent, 

 bearing about 15 rather large fuscous spots mostly between the 

 nervures: halteres, tips of the thighs, and base of the tarsi 

 ochreous. 



In the Cabinets of Mr. Haliday and the Author. 



The following are British species of this pretty genus, and on 

 a reference to Meigen's Plate, it will be seen that the wings 



