Spilomyia. 549 



descending; they have a small groove or furrow in front at the eye- 

 margin. Oral cone and proboscis of medium lengtli ; clypeus with the 

 basal part large, only triangularly incised in the anterior end but with- 

 out long side legs. Labrum strong, semitubular, the apical processes 

 somewhat short, the median cleft to the base, each part attenuated 

 towards the apex and here cleft into some spines or emergences ; the 

 upper lateral processes curved a little inwards, with some spines at 

 the margin and especially at the apex; the lower lateral processes 

 broad, a little incised in the truncated end and with the inner or 

 upper corner drawn a little out; the processes are of about equal 

 length, the upper lateral the longest; the lateral rows of small papillæ 

 on the inside present as usual; hypopharynx about of the length of 

 labrum, parallel-sided, a little attenuated in the anterior part with the 

 apex rounded; maxillæ shorter than hypopharynx, as usual curved 

 and knife-shaped, rounded at the end and with microscopical spines 

 in rows; the palpi double as long as lacinia, a little clubbed, with 

 microscopical hairs and with bristles in the whole length. Labium 

 with the basal part a little shorter than the somewhat large, broadly 

 oval labella. Thorax rectangular; scutellum black with the margin 

 yellow and without marginal fringe below. There are no thoracai or 

 scutellar bristles. Metapleura with dense, short hairs. Abdomen some- 

 what elongated, slightly narrowed behind; it is rather arched above; 

 in the male there are four not transformed segments. Genitalia some- 

 what large. In the female there are five visible abdominal segments, 

 the rest hidden, the last terminating with two small lamellæ. Legs 

 somewhat long; hind femora with a triangular process below near 

 the apex in both sexes; tarsi a little flattened, fourth joint strongly 

 incised in the apical margin. The legs short-haired, only middle 

 femora with somewhat long hairs behind; all trochanters with a 

 solitary bristle above. Claws and pulvilli well developed. Empodium 

 spine-shaped, hairy. Wings with the subcostal vein distinct from the 

 costa quite to the apex; subcostal cell open; cubital vein curved 

 slightly down in the first posterior cell ; medial cross-vein very oblique, 

 placed near the apex of the discai cell; discai cell with the lower 

 apical corner rounded; anal vein after the closing of the anal cell 

 stretching long forwards, almost upwards before terminating in the 

 margin below the apical corner of the discai cell. An indistinct stig- 

 matical cross-vein present. Basal part of the radial vein with fine 

 bristles. Squamulæ not broad, thoracai squamula with moderately 

 long, short-stemmed, richly branched hairs ; alar squamula with shorter, 

 flattened hairs. Plumula not long, with simple hairs. 



The developmental stages are not known, but no doubt the larva 



