114 MAINE AGRTCULTL'RAI, EXPERIMENT STATION. I912. 



line, veins brown (Fig. 253). "Las Cruces, N. M." [Moscow, 

 Id., Manlius and Ithaca, N. Y. f (V:_. 



2. Biignoriste brevirostris Coquillett. 



Proc. \A'ash. Ent. Soc. VI. 169, 1904. 

 Female. Length 3.5 mm. Black, the stems of the halteres 

 yellow. Head narrow and elongate, about 3 times as long as 

 wide, proboscis •slightly longer than the head, slender, horny, 

 over 6 times as long as wide. Wings grayish, apex of Ri a 

 short distance before the forking of the media. "Halfway 

 House, Pike's Peak, Col." vSept. 



2. Genus Manota Williston. 



Dipt, of St. A'lncent, W. I. 260, 1896. 



Head flattened, placed rather high as regards the thorax; 

 antennse situated high up, i6-jointed. Three ocelli, in a gently 

 curved line, laterals remote from the eye margin ; palpi 3 

 jointed, elongate. Dorsum of thorax moderately convex, 

 abdomen slender, flattened cylindrical. Coxae elongate. Wings 

 longer than the abdomen ; Sc vestigial ; Ri ends befofe the mid- 

 dle of the wing; Rs not furcate; only apical parts of Mi and 

 Ms present, bases and petiole of INT wanting ; costa far produced. 

 M. dejecta from the St. Vincent Isl. W. I. the only species. 



In Enderlein's classification would be placed with the 

 Mycctophilinac. 



3 Genus Pny.via n. gen. 

 Eye widely separate, ommatidia prominent, few in number , 

 ocelli 3, in a triangle on the vertex; proboscis small, obscure; 

 antennae 16- jointed. Legs like Sciara, claws simple. Sexes 

 dimorphic. Female wingless and without halteres, 40 omma- 

 tidia in each eye; palpus consist apparently of but one cu]"*- 

 shaped joint. Male with halteres and wings, the latter of 2 

 sizes, the majority of the individuals possessing very short 

 wings which do not reach the 4th abdominal segment (Fig. 

 262) ; the remaining individuals with longer wings which ex- 

 tend beyond the tip of the abdomen (Fig. 264) ; petiole of the 

 media arises at the angle of .the basal section of Rs, the cross- 

 vein hence obliterated ; palpus with truncated tip, 2 or 3 jointed ; 

 ommatidia 50 to 75 in each eye. Hypopygium of the simple 

 Sciarid type. Type species Pnyxia scobiei Hopkins. 



