Studies on Tijpulidae. 161 



Forceps small, narrow, not imlike that of the typical Megisto- 

 cerae in structure. 



I have Seen representatives of this, as yet imnamed, Megistocera 

 in the Museums in Berlin, Vienna and Leiden. The Tipida longi- 

 pennis Macq. D. E. I, 1, 57, Tab. 5, f. 1 from Cuba is evidently 

 a Megistocera with short antennae in both sexes; the venation, the 

 structure of the ovipositor, as indicated on the plate, the 8-jointed 

 antennae with two hairs at the tip etc. agree exactly with the State- 

 ments which I have given above. Only the „ailes ... un peu jaunätres" 

 prevent me form identifying it with the specimens which I remember 

 seeing. I have not been able to find the type in the Museum in Paris. 

 The Megistocerae at present known may therefore be tabulated 

 thus (I give only the principal references): 



I. Antennae of the male of extraordinary length, much longer 

 than in the female (Old world species) 



ßlipes (Fab.) Wied. A. Z. I, 56. — Guinea. 

 fuscana Wied. A. Z. I, 55; Macq. D. E. I, 18, Tab. 2, f. 4; 

 V. d. Wulp, Tijdschr. etc. XXVIII, 83, Tab. 4, f. 5. — 

 Malay Archipelago 

 IL Antennae short in both sexes (American species) 



longipennis Macq. D. E. I, 1, 57, Tab. 5, f. 1. — Cuba. — 

 n. sp. (?) Brazil. — 



Brachypremna. 



nov. gen. 



A number of species from America, which I have seen in col- 

 lections resemble Megistocera in the great length of the legs, the 

 simple structure of the male forceps and in some features of the 

 venation; they differ in the wings not being crystalline; in the fifth 

 posterior cell not being in contact with the discal and in the prae- 

 furca being in a line with the second, rather than with the third vein. 



The following generic description is drawn from Tipula dis- 

 pellens Walk. (United States, Mexico), specimens of which I have 

 before me, and from notes taken in Berlin from specimens of Tipida 

 breviventris Wied. (Brazil). I have seen in Berlin several undeter- 

 mined species, from Brazil, Surinam and Porto Kico, belonging in 

 the sanie group. 



Head comparatively small, front narrow; rostrum rather short, 

 with a very distinct nasus, bearing a tuft of hair at the tip; last 

 Joint of palpi whiplash-shaped , about 2 or 3 times longer than the 

 preceding Joint. 



Antennae very short, not longer than the head, including the 



XXX. Heft II. 1 1 



