Der.\eocoris (Heteroptera, Miridae) 143 



becoming- brownish at apex, exserted hairs prominent, in length equal to more 

 than twice greatest thickness of segment. 



Plcsiotypes : <? July 22, Cold Spring Harbor, New York ; 9 Sept. 

 27, Northampton. Mass. (H. M. Parshley) ; compared with type; 

 author's collection. Lcctotypc: i June 25, 1904. Washington. D. C. 

 (O. Heidemann) ; Cat. No. 24169 U. S. N. M. This specimen bears 

 a Renter label "Caiiiptobrochis n. sp." and is the second specimen men- 

 tioned under the original description. Specimens e.vaiiiiiicd : CON- 

 NECTICUT,— 5 Aug. 14, New Haven {W. E. Britton). DISTRICT 

 OF COLUMBIA.— 5 May 11, 29 June 28, 3S 49 June 30. 2 5 19 July 

 8. 39 July 20. 16 19 Aug. 2. Washington (O. Heidemann). ILLI- 

 NOIS.— 5 July 24, Galesburg (Stromberg). MARYLAND,— 29 

 June 15, Beltsville (W. L. McAtee). S Aug. 3. Forest Glen; 5 9 Hen- 

 son Creek (O. Heidemann). 9 Sept. 2, Pluinmer's Island (H. L. 

 Viereck). MASSACHUSETTS,— 9 Sept. 15, Blue Hills; S Sept. 17. 

 Forest Hills; 1$ 19 Sept. 7, Saugus (H. M. Parshley). S July 29. 

 Pigeon Cove (C. E. Olsen). 9 Aug. 20, Farmington ( C. A. Frost). 

 S July 30, Auburndale. 2$ Aug. 5, Brookline. 9 Sept. 5, Wood's Hole. 

 MINNESOTA,— 2 5 July 20, Gray Cloud Island; 15 19 July 29, St. 

 Paul, predaceous on Schiconcura lanigcra, which makes a rosette gall 

 of elm leaves; 4 5 89 Aug. 5, St. Anthony Park, on Quercus macro- 

 carpa (H. H. Knight). NEW JERSEY,— 5 9 July 27. Bear Swamp, 

 Ramapo Mts. (H. G. Barber). NEW YORK,— 5 July 22, 5 July 

 26. 2 5 July 29. 2 5 Aug. 4. Cold Spring Harbor (H. M. Parshley). 

 5 July 24, 5 July 29, Ithaca (H. H. Knight). 5 July 27, Aqueduct; 

 9 July 23, 15 19 Aug. 1, 9 Aug. 3, 9 Aug. 12. Staten Island (Wm. T. 

 Davis). 9 July 31, Bayshore; 5 July 18, 9 Aug. 1, Maspeth; 9 Aug. 

 7, Roslyn; 5 29 July 23, Staten Island (C. E. Olsen). 5 July 18, 39 

 July 27, 2 5 19 Aug. 14, White Plains (J. R. Torre-Bueno). 9 July 14, 

 Lancaster ( E. P. Van Duzee). NORTH CAROLINA,— 5 June 25, 

 Black Mts. (Beutenmuller). PENNSYLVANIA,— 9 Sept. 8. Central 

 (Wm. T. Davis). 5 July 5. Harrisburg. 9 Aug. 6, Twin Lakes (C. 

 L. Pollard). 5, Delaware Watergap (Mrs. A. T. Slosson). VIR- 

 GINIA.— 9 July 30, Great Falls (H. G. Barber). CANADA: QUE- 

 BEC,— 5 Aug. 10, Lachine (G. A. Moore). 



The writer found this species to be predaceous on Schizoneiira 

 lanigera (of Patch) which makes a rosette gall of elm leaves. It was, 

 however, never found in company with D. aphidiphagus which devel- 

 ops with and is predaceous upon Schiconeitra aniericana Riley. Mr. 

 C. E.' Olsen states that he also has observed nitenatus to be predaceous 

 on elm aphids which formed a rosette gall. Specimens were taken 



