THE MOUNT DESERT REGION 377 



D. remipes Wahlberg. Witch Hole Pond; Bar Harbor, July 

 26-30. On water-lily pads. 



D. scoparius Loew. Duck Brook; Bar Harbor, June 13-22. 



D. setifer Loew. S. W. Harbor ; Salisbury Cove, July 13-15. 



D. setosus Loew. S. W. Harbor, July 13. 



D. sincerus Mel. Long Pond ; Bar Harbor, July 16-Aug. 18. 



D. slossonae Van D., Cole & Aldr. Echo Lake; Bar Har- 

 bor, June 17-July 21. 



D. socius Loew. S. W. Harbor; Long Pond, July 15-16. 



D. socius var. gladius Van D., Cole & Aldr. Salisbury Cove, 

 July 15. 



D. variabilis Loew. Bar Harbor, July 20-Sept. 11. 



D. gracilis Van D. S. W. Harbor, July 15-Aug. 23. Toad 

 Hole on ferns in shade, F337. 



D. virga Coq. Penikese, July 14. 



D. wheeleri Mel. & Brues. S. W. Harbor, July 15. 



Pelastoneurus Loew 



P. lamellatus Loew. Tremont ; Narrows, June 20-July 27. 

 P. vagans Loew. Bar Harbor, Sept. 13. 



Paraclius Loew 



P. vicinus Aldr. Narrows, July 27. 



Tachytrechus Loew 



T. moechus Loew. Witch Hole Pond, June 13. 



Medeterus Fischer von Waldheim 



M. modestus Van Duzee. Bar Harbor, June 11. 



M. vanduzei Curran. Bred from larch, June 15, '43. 



M. vittatus Van D. Station F402. 



M. sp. Station F402. 



Gymnopterxus Loew 



G. albiceps Loew. Jordan Pond, June 10. 

 G. chalcochrus Loew. Long Pond, July 16. 



