280 TIPULIDjE. 



limpidis, venis nonnullis fmco-limbatis, abdoraine nigro-cinereo, pedibus 

 testaceis. Long. 2^-3 ; alar. 5-6 lin. 



Hoary. Palpi and antenna black, testaceous at the base. Thorax 

 with four brown stripes, the outer pair short. Wings nearly limpid, 

 clouded with brown by the costa at the base of the vein, and from two- 

 thirds of the length to the tips, and also on the transverse veinlets. 

 Halteres testaceous. Abdomen blackish-grey; tip testaceous. Legs 

 testaceous. 



Not rare. (E. S. I.) 



Genus V. LIMNOBIA. 



LIMNOBIA, Zett, D. S. x. 3802 (1851). Tipula p., L. ; F. ; Schr. ; 

 Gmel. Limonia, Latr. ; Meig. Klass. Limnobia p., Meig. ; Schumm. 

 Limnobia, Limnophila et Idioptera, Mcq. ; Staeg. Limnobia et Glochhia, 

 Meig. Limnobia et Idioptera, Hal. Limnobia et Tricyphona, Zett. 

 Corpus elongatum, sublineare, fere laeve, magnum aut mediocre, non- 

 nunquam parvum. Caput parvum, obpyriforme. Oculi rotundi, 

 remoti. Proboscis modice longa. Palpi 4-articulati, cylindrici, 

 crassiusculi, pubescentes, incurvi ; articuli subaequales. Antennas 

 15- aut 16 -articulate, porrectee, simplices, basi subincrassatae, apice 

 setaceaB ; articulus primus crassus, cylindricus, longiusculus ; secundus 

 cyathiformis, crassior; tertius et sequentes rotundati, subpilosi. Thorax 

 ellipticus. Alas longaa, angustae, incumbentes. Abdomen segmentis 

 octo, elongatum, subdepressum. Pedes longi, inermes, subpubes- 

 centes ; coxa3 breves ; tibia3 posticae bicalcaratae. Mas. Abdomen 

 apice obtusum, forcipe brevi lata dentata. Fcem. Oviductus stylis 

 duobus corneis acutis. 



Body large, or of middle size, rarely small, elongated, almost smooth, 

 nearly linear, cinereous, lurid yellow or testaceous, rarely black. Head 

 small, obpyriform. Eyes round, remote. Proboscis moderately length- 

 ened. Palpi four-jointed, cylindrical, pubescent, rather thick, curved 

 downward; joints of nearly equal length. Antennas fifteen or sixteen- 

 jointed, porrect, simple, rather thick at the base, setaceous at the tips, 

 generally but little longer than the head ; first and second joints bare ; 

 first thick, cylindrical, rather long ; second cyathiform, rather thick ; 

 the rest rounded, slightly pilose, successively decreasing in size. Thorax 

 elliptical. Wings incumbent, long, narrow, most often bare, occasion- 

 ally slightly pilose towards the tips. Abdomen with eight segments, 

 elongated, slightly depressed (especially in the male). Legs long, mi- 

 nutely pubescent, unarmed ; coxaa not elongated ; posterior tibiae with 

 two minute apical spurs. Male. Tip of the abdomen obtuse, with a 

 short, broad, dentated forceps. Jem. Oviduct with two, horny, acute 

 styles, forming a vagina. 



In tbe following descriptions the externo-medial veins are men- 



