306 TIPULID.E. 



Body long, slender, nearly linear. Head small, round. Eyes small, 

 round, lateral, remote. Eostrum and proboscis short. Palpi four- 

 jointed, cylindrical, curved downward ; joints of equal length. An- 

 tennae thirteen-jointed, nearly filiform ; first joint cylindrical, rather 

 short and stout ; second shorter, cyathiform. Wings long and narrow. 

 Abdomen linear. Legs long, slender, bare ; tibite with minute spurs. 

 Male. Antennae a little longer than the thorax; third and following 

 joints oval. Abdomen depressed ; anus small, obtuse, slightly subcla- 

 vate. Fern. Antennae submoniliform, a little shorter than the thorax ; 

 third and following joints nearly round. Abdomen almost cylindrical; 

 anus rather acute, with two subulate slightly recurved styles. 

 a. Wings with three externo-medial veins. Species 1. 

 a a. Wings with four externo-medial veins. 



b. Wings with no discal areolet. Species 2. 



b b. Wings with a discal areolet. Species 3. 



1. pavida, Hal. E. M. i. 154 (1833). Guerini? Zett. ; Boh. 

 Obscure fiavida, aritennis fuscis, thorace trivittato, alis hyalinis, stig- 

 mate pallido. Long. 2^-3 ; alar. 6 lin. 



Dull yellowish, slender. Antennae brown. Thorax with three 

 stripes. Wings hyaline; stigma very pale brown; veins delicately 

 pubescent. Legs long and slender. Fern. Oviduct reddish. 



Rare. In Mr. Haliday's collection. (I.) 



2. bimaculata, Schuram. Dipt. Siles. 179. 54. pi. 4. f. 1 (1829). 

 demma, Hal. Pusco-cinerea, thorace trivittato, alis stigmate fusco. 

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



"Brownish-cinereous. Antennae, abdomen, and legs dusky. Tho- 

 rax with three stripes. Wings with veins like those of Limnobia imma- 

 culata, but the subcostal vein is connected with the first of the apex 

 by two transverse veins, and the first branched one of the margin has 

 a shorter fork." 



E/are. In. Mr. Haliday's collection. (I.) 



3. senilis, Hal. E. M. i. 153 (1833). Lurida, antennis abdomine 

 pedib usque fuscis, alis obscuris pubescentibus, femoribus basi flavesceu- 

 tibus.. Long. 2| 3 ; alar. 6 lin. 



" Dark reddish grist-colour. Vertex cinerascent. Antennae about 

 as long as the thorax, verticillate with long hairs, dingy ferruginous at 

 the base, darker at the tips. Mesonotum clouded, not striped. Wings 

 obscure hyaline ; the veins and the membrane towards the tip finely 

 pubescent ; radial vein bifurcate ; anterior branch joined near its origin 

 by a transverse veinlet to the subcostal, forming two anterior radial 

 areolets, which are sometimes imperfectly separated; inner one half as 

 long as the praebrachial areolet; the connecting veinlet between the 

 mediastinal and subcostal veins opposite its middle ; exterior one dark 

 with pubescence, forming an oblong stigma ; posterior one gradually 

 widening to the tip ; cubital vein simple ; discal areolet complete, re- 

 ceiving the pobrachial areolet in the middle ; first externo-medial vein 



