180 PROCEEDINGS ENTOMOLOGICAL SOCIETY 



Polycentropus sp. 



One from Los Banos; may not belong to genus in restricted sense. 



Chimarrha luzonica n. sp. 



Head yellowish, antennae pale yellowish, palpi dark brown, erect hair 

 each side on vertex; thorax and abdomen dark, legs pale yellowish, but the 

 spurs dark brown; wings gray blackish, nearly uniform, with sparse black 

 hairs, veins darker; hind wings colored like fore wings, fringe black at tip, 

 gray behind, fork 3 of hind-wings with a very long pedicel, fully twice as 

 long as the fork; discal cell of fore wings rectangular, anal veins separate 

 at ends. Expanse, 10 mm. 



From Los Banos, Philippine Islands. 



EXPLANATION OF PLATES. 



Fig. 1. Chrysopa isolata, cubital cells. 



Fig. 2. Tagalopsyche sisyroides, wings. 



Fig. 3. Dipseudopsis luduosa, wing, and spur. 



Fig. 4. Dinarthrodes niger, male appendage. 



Fig. 5. Dinarthrodes niger, head and antenna. 



Fig. 6. Echnopsyche reticulata, wings. 



Fig. 7. Tagalopsyche sisyroides, palpus and genitalia. 



Fig. 8. Chimarrha luzonica, fore wing. 



Fig. 9. Hydromanicus cinctipennis, genitalia. 



Fig. 10. Neoperla recta, head and part of wing. 



Fig. 11. Echnopsyche reticulata, genitalia. 



Fig. 12. Neoperla obliqua, head. 



Fig. 13. Dinarthrodes niger, fore wing. 



Fig. 14. Hydropsy chodes coslalis, genitalia. 



Fig. 15. Leptocella bakeri, genitalia. 



Fig. 16. Chrysopa tagalica, cubital cells. 



Fig. 17. Neoperla obliqua, part of wing. 



DESCRIPTIONS OF NEW PARASITIC HYMENOPTERA 



BY S. A. ROHTVER, Bureau of Entomology. 



The following miscellaneous descriptions of new parasitic Hy- 

 menoptera are presented at the present time so that the names of 

 certain species which have proven to be of economic importance 

 in controlling forest insects and other injurious insects will be made 

 available for discussion in economic papers. 



Ichneumon bruiineri, n. sp. 



Seems to belong to the group of Bar ichneumon and runs there 

 in Ashmead's table of the genera, but Morley says that this group 



