DTJKHAM DIPTEKA. 83 



XIII. 135 

 135. Tipula, L. 

 The larvae live on vegetable matter, grass roots, &c. 



1 (46). Wings marmorated, spotted, or streaked (always with 



something more than a pale longitudinal streak 

 under the darkened fore-margin, or a pale spot or 

 diagonal band just before the stigma). Rarely the 

 only distinct evidence of the mottling is an in- 

 distinct pale spot near the middle of 0.5 1 , or V.5. 

 clouded. 



2 (3). Fore region of the wing with a broad dark brown 



band with two deep white indentations, very large 

 species. 



830. Tipula gigantea, Schrk. 

 Harperley, i $, June, 1900, 1 $, 28-6-02; Shull, 1 $, 

 7-7-02. 



3 (2). Fore region of the wing without the dark brown 



indented band. 



4 (5). Wings with a dark spot in the middle of 0.6. Wings 



indistinctly clouded. Also a large species. 

 831. Tipula lutescens, F. 

 Gibside, 1 ? ; Bishop Auckland, 1 $, 2-7-00 ; Harper- 

 ley, 1 $, 28-6-02 ; Hesleden, 2 $, 14-8-02. 



5 (4). No dark spot in the middle of 0.6. 



6 (39). Wings with spots or clouds in the basal region, 



always something more than merely V.5. darkened. 



7 (14). Dorsum with three broad, dark stripes, which have 



often dark brown margins, the middle one often 

 divided by a dark line. 



8 (9). Dorsal stripes not dark edged, and so broad that 



they almost fill the dorsum. A row of pale spots 

 along the middle of the wing from base to tip. 

 829. Tipula vittata, Mg. 

 Belburn, 1 $, 17-5-00; Harperley, 1 $, 4-6-00; Raby, 

 1 ¥> 29-5-01. 



