208 FAUNA OF NEW ENGLAND. 



J. decisa (Walker) {Echinomyia decisa of authors; Pararchytas 



decisa Brauer and Bergenstamm). 

 Me.— 4, 7, 8, 9, 10. N. H.— 11, 15. Vt.— 17, 19, 20, 21. July 



15-Sept. 11. 

 Mass.— 23, 24, 25, 27. Conn.— 34. July 13-Sept. 1. 



Megaprosopidae. 

 Microphthalma Macquait. 

 M. disjuncta (Wiedemann). 



Me.— 8. N. H.— 11, 15. Vt.— 17, 20. July 28-Sept. 11. 

 Mass.— 24, 27, 29. Conn.— 35. June 27-Sept. 23. 



Bred from larvae of May Beetles, PhyUophaga (Davis, 19-78), 



M. pruinosa Coquillett, 

 Vt.— Chelsea, May 31, 1916 (if. E. Smith). 

 MaSs. — Framingham. 

 Bred from May Beetles, PhyUophaga (Davis, 19-81). 



Dexiidae. 



Rhynchodexia Bigot. 

 R. confusa West, 24-185. 

 N. H.— Durham. Vt.— Bolton Mt. {Bryant). 

 Mass. — Chester; Rutland; Woods Hole. R. I, — Tiverton. 

 Conn. — Storrs; Colebrook, July-Sept. {Wheeler). 



Paraprosena Brauer and Bergenstamm. 



P. apicalis R.-Desvoidy. 



Mass. — Wellesley {Morse). Conn. — Colebrook, July 17, 1921 

 {Wheeler). 



Dexia Meigen {Zelia R.-Desvoidy). 



D. vertebrata Say. 



N. H. — Mt. Washington {Mrs. Slosson). 



Mass.— Fall River, July 21; Sherborn, Sept. 4, 1918; Ware, 

 July 5 {F. E. Zeissig). 



Ateloglossa Coquillett. 

 A. cinerea Coquillett. 

 Me. — Waldoboro {J. H. Lovell). 



A. wheeleri West, 24-186. 

 Conn. — Colebrook {Wheeler). 



Ptilodexia Brauer and Bergenstamm. 



P. harpasa (Walker) {Ptilodexia tibialis of authors, not R.- 

 Desvoidy). 



Me.— 2, 8, 10. N. H.— 11, 15. Vt.— 17, 20. June 7-Sept. 25. 



Mass.— 24, 27, 28, 29, 30, 32. R. I.— 33. Conn.— 34, 35. 

 June 10-Sept. 16. 

 Parasitic on white grubs, the larvae of the May Beetles (Davis, 



1919). 



