\x\ii. '21 | EN.TOMOLOGK Al. NEWS 



Description of Two New Species of the Angustipennis 



Group of the Dipterous Genus Tipula Linnaeus, 



with Table of Species. 



By \Y.M. (i. DIKTZ. M.D., Ha/leton. I'ennsyKama. 



The species of this group are characterized hy pale gray to 

 brownish, or reddish-brown wings, mottled, with predomi- 

 nantly pale spots and a few dark, fuscous spots. The latter are 

 confined to the origin of Rs (absent in beaitliciti), end of Sc and 

 the stigma and its proximity. A pale spot always present at 

 two-thirds or three-fourths of cell .17, another spot, generally 

 large but often absent, just before the middle of cells Cu and 

 Al ; this spot frequently extends into cell M. Pale spots before 

 and behind the stigma, generally present and conspicuous, the 

 latter frequently extends as a fascia into cell 1st M2, or even 

 M4. No fuscous spots at base of cells R or ..17 and no pale 

 spots along the posterior wing-margin. 



Key to the sfn'cics. 



1. Eighth sternite of male, with one or more appendages... 

 Eighth sternite of male simple 



2. With median and lateral appendages 



With median appendage only scrta I.nfw 



3. Yellow ; ninth tergite of male short, scarcely emarginate in the 



middle scnctja Alex. 



Darker, yellowish-gray. Ninth tergite of male longer, with a deep, 

 broadly V-shaped emargination neptitn sp. n. 



4. Antennae unicolorous, fuscous 



Not as in the alternative 



5. Abdomen reddish 



Abdomen not reddish 



6. Abdomen without longitudinal stripes, wings reddish-brown, 



sliaski Alex. 

 Abdomen trivittate, wings grayish- fusr<ms t iii ; iitstif>cnins I.<HU 



7. Thoracic stripes margined tristis Doaiu 



Thoracic stripes not margined manna Doanc 



8. Flagellar joints nnicolorous 



Flagellar joints, except the first, distinctly bicolored. . . . 



9. Dark, blackish, thoracic stripes not margined: antennae dark 1-rown, 



second joint yellowish iiyni<-<"-/ 1 c/-/.v Doane 



Not as in the alternative 10 



