Osten Sackcn.] 42 [December 6, 



Of the two Tipulidce one is a new species, dedicated to the dis- 

 coverer. The other is a species described by Zetterstedt, from speci- 

 mens also received from Greenland. 



Tipula Besselsi n. sp. 



Gray, thorax and abdomen with darker stripes; wings with a dark 

 brown stigma; antennae altogether black; ovipositor of the ¥ ex- 

 ceedingly short. Long, corp., d, 9 — 10 millim.; ?, 12 — 13 millim.; 

 long, alae, cT, 12 — 14 millim.; ?, 15 — 16 millim. 



Head dark gray, with a darker stripe over front and vertex ; ros- 

 trum blackish, except the projecting labella, which are paler; palpi 

 black; antenna? black, first joint with a grayish bloom; joints of the 

 flagellum incrassate at their basis and verticillate upon the incras- 

 sation (the latter is stronger in the male than in the female); 

 stretched backwards, the antenna? hardly reach the root of the 

 wings; the joints of the flagellum are about equal in length, except 

 the first, which. is a little longer, and the last, which is a little 

 shorter than the rest. Thorax dark gray; a cuneiform blackish 

 stripe, divided by a longitudinal gray line, in the middle of the dor- 

 sum ; lateral stripes visible, but less well defined ; long, pale, erect, 

 soft hairs clothe the intervals of the stripes, the sides of the dorsum, 

 a portion of the pleura?, the coxae, the whole head, including the ros- 

 trum and the basal joint of the antennae. Halteres brownish, baeis 

 of the knobs paler. Abdomen dull gray, with a longitudinal brown- 

 ish stripe above ; a similar stripe on the venter (the latter stripe is 

 more distinct in the ? than in the d" specimens). Tip of the abdo- 

 men blackish, but very little incrassated in the c? ; of the four folia- 

 ceous appendages of the d genitals the upper ones are brown, the 

 lower ones paler. The valves of the ovipositor of the ? are exceed- 

 ingly small (not more than three quarters of a millimeter long). 

 Coxae gray; their second joint more blackish; feet dark brown or 

 black, basal half of the femora reddish-brown; the middle of the 

 tibiae also shows a trace of this coloring. Wings immaculate, with a 

 whitish tinge (in some specimens with a slight brownish tinge on the 

 apical portion) ; veins strong, brown ; stigma elliptical, brown ; petiole 

 of the second posterior cell of moderate length. 



Hdb. Polaris Bay, Greenland; July 7, 1872. (Dr. Bessels.) 



The short appendages of the ovipositor of the female, the coloring 

 of the wings, etc., readily distinguish this species. The only species, 

 so far as I can see, which can be compared to it, is Tipula subnodicor 

 nis Zetterstedt. But the "stigma obsoletum," the unicolorous abdo- 



