OF WASHINGTON, VOLUME XIX, 1017 103 



IschnopteVa deropeltiformis Bruner. (= johnsoni Rehn.) 



Numerous records, May 19 to November 3. On Plummets 

 Island, June 15, 1915, H. S. Barber; July 1 and 7, R. P. Currie; 

 July 8, 1904, at light, E. A. Schwarz; and August 5, 1915, at 

 tulip tree sap, R. C. Shannon. Maryland near Plummers Island, 

 June 18, 1908, H. S. Barber; Chain ^Bridge, Md., May 19, 1911;' 

 Great Falls, Va., May 19, and August 11, 1915, McAtee. Cabin 

 John, Md., September 23, 1911, W. D. Appel. 



Ischnoptera divisa Saussure and Zehntner. 



Plummers Island, July 23, 1905, H. S. Barber; also June, 1912, 

 with ootheca. 



Ischnoptera pensylvanica De Geer. 



Numerous records: Plummers Island, May 24 to July 14; at 

 light, May 29, 1911, J. C. Crawford. Cupid's Bower Island, Md., 

 June 7, 1915, W. Perham; Jackson's Island, Md., July 12, H. S. 

 Barber; High Island, Md., female with fresh ootheca, July 1, 

 1904, Caudell; Great Falls, Va., July 12, H. S. Barber. Variety 

 inaequalis taken on Plummers Island, July 10, 1910, McAtee. 



Ischnoptera uhleriana Saussure. 



The most common species of the genus: Plummers Island, 

 May 20 to August 11; at light, May 23, 1911, P. R. Myers; 

 July 9, 1902, H. S. Barber; with ootheca, August, 1912: nymphs, 

 May 23, 1915; Jackson's Island, Md., May 18, 1902, H. S. Barber; 

 nymphs collected at Cabin John Bridge, Md., March 27, 1902, 

 matured May 9; Glen Echo, Md., July 11, 1914, with ootheca; 

 some adults freshly matured and one with ootheca collected on 

 High Island, Md., July 1, 1903, Caudell; Virginia near Plummers 

 Island, June 10, 1902, H. S. Barber; May 17, 1908, nymph in 

 nest of Formica obscuriventris , McAtee. 



Blatella germanica Linnaeus. 



Only one sperini'-n taken April 15, 1901), MrAtee, that in 

 house at Plummers Island, win-re it undoubtedly was carried in 

 a parcel of provisions. 



Cryptocercus punctulatus Scudder. 



This widely but sparsely distributed roach was raptured on 

 Cupids Bower Island, Md/, June 23 and June 31. L915, by H. 

 Harber and R. C. Shannon, respectively. Tin- specimens were 

 obtained from rotten pine logs. 



