DIPTERA. 251 



16. Limnobia albifrons, Meig. Not common. 



17. L. sexpunctata, Fab. Very rare. A couple of 



specimens were taken by my father on May 

 20th, 1839. 



18. L. tripunctata, Meig. Not common. 



19. L. quadrinotata, Meig. Not common. 



20. L. xanthoptera, Meig. Of occasional occurrence 



in the woods from August to October. 



21. L. flavipes, Meig. Abundant. 



22. L. nubeculosa, Meig. Common. 



23. L. picta, Fab. Common. 



24. L. punctata, Meig. Not common. 



25. L. nemoralis, Meig. Common. 



26. L. leucophiea, Hoff. Abundant. 



27. L. dispar, Meig. Abundant. 



28. L. lineola, Meig. Common. 



29. L. punctum, Meig. Abundant. 



30. L. ferruginea, Meig. Abundant. 



31. L. lucorum, Meig. Common. 



32. L. discicollis, Meig. Not common. 



33. L. fuscata, Meig. Common. 



34. L. marmorata, Hoff. Abundant. 



1. Symplecta stictica, Meig. Not common. 



1. Erioptera maculata, Meig. Common. 



2. E. trivialis, Meig. Abundant. 



3. E. flavescens, Linn. Not common. 



4. E. cinerascens, Meig. Abundant from March to 



May. 



5. E. tseniota, Wied. Common. 



