LIST OF DIPTERA. 



Ochthiphila, Fallen. 



Ochthiphila aridella, Fall. Ochtid. 10, 2. Meig. Dipt. vi. 92, 1. 

 Macq. Hist. Nat. Dipt. ii. 545, 1. Zett. Ins. Lapp. 620, 4. 

 Dipt. Scand. v. 1950,6. 



a. England. Presented by F. Walker, Esq. 



b. Hammerfest. Presented by F. Walker, Esq. 



Ochthiphila juncorum, Fall. Ochtid. 9, 1. Meig. Dipt. vi. 92, 3, 

 pi. 59, f. 11. Macq. Hist. Nat. Dipt. ii. 5452. Zett. Ins. Lapp. 

 719, 1. Dipt. Scand. v. 1945, 1. 



a. England. Presented by F. Walker, Esq. 



b. Haparanda. Presented by the Entomological Club. 



Group Estelia, Desv. Essai Myod. 635. 



Diastata, Meigen. 



Group I. 



Diastata punctum, Meig. Dipt. vi. 98, 10. Macq. Hist. Nat. Dipt, 



ii. 553, 7. 

 a. England. 



Diastata obscurella, Meig. Dipt. vi. 96, 3, pi. 59,/. 15. Macq. Hist. 

 Nat. Dipt. ii. 552, 3. Geomyza obscurella, Fall. Geom. 4, 6. 

 Zett. Ins. Lapp. 774, 5. 



a. England. Presented by F. Walker, Esq. 



b. Hammerfest. Presented by F. Walker, Esq. 



Diastata tenuipes, n. s., fem. Picea, capite antico fulvo, thorace 



vittis quatuorfulvis, palpis antennisque piceis, pedibusfulvis, alis 



cinereis ad costam subfulvis, vena transversa fusco nebvlosa. 



Body pitchy, shining : head and chest beset with black bristles : 



head tawny in front : eyes red : sucker, palpi, and feelers pitchy : 



feelers shorter than the face ; third joint conical, longer than the 



second ; bristle black, feathered with rather long hairs, more than 



twice the length of the third joint : chest with four indistinct dark 



tawny stripes: abdomen elliptical, thinly clothed with short black 



hairs, hardly longer than the chest : legs dark tawny, clothed with 



very short black hairs ; claws black : wings dark gray with a tawny 



tinge on the fore border, clouded with brown on the lower cross-vein ; 



wing-ribs and veins pitchy ; longitudinal veins straight ; fifth 



slightly curved towards the hind border, not forming an angle at its 



