xr, D, 3 Banks: Neuropteroid Insects 215 



6'. Fork 5 present. 

 &. Ocelli present; a cross vein above end of discal cell. 



(f. Spurs 2, 4, 4; small species Echnopsyche. 



d\ Spurs 3, 4, 4; large species Stenopsyche. 



c^ Ocelli absent; no such cross vein. 

 e\ Fork 1 absent in hind wings. 



f. Spurs 3, 4, 4; fork absent in the wangs Ecnomus. 



f. Spurs 2, 4, 4; fork 3 present in hind wings Hydropsychodes. 



e^ Fork 1 present in both wings. 

 g^. Antennae crenulate beneath; abdomen with filament each side. 



Diplectrona. 

 g^. Antennae not crenulate; no filament to the abdomen. 



h^. Female with mid tibiae broadened; male with outer claw mal- 

 formed or absent Hydropsyche. 



fe'. Female with tibiae normal; and male with claws normal. 



Hydromanicus. 

 a'. Fork 4 of fore wings shorter than fork 5, or fork 4 absent. 



i^. Ocelli present; fork 4 absent in fore wings; spurs 2, 4, 4 Chimarrha. 



t^. Ocelli absent; fork 4 present. 

 i". Spurs 3, 4, 4. 



A;\ Discal cell in hind wings closed; fork 1 in hind wings present; 



pronotum rather long Dipseudopsis. 



A;'. Discal cell in hind wings open; pronotum small. 



P. Fork 1 in hind wings present Polycentropus. 



V. Fork 1 in hind wings absent Polyplectropus. 



f. Spurs 2, 4, 4; fork 1 absent in both wings; hind wings narrow. 



7n\ Third joint of palpi longer than second Tinodes. 



m*. Third joint of palpi shorter than second Psychomyia. 



Genus DIPSEUDOPSIS Walker 



a^. Wings rather clear, and all veins distinctly margined with brown. 



nervosa, 

 a'. Veins not distinctly margined with brown. 



6'. Male with a few short pale spots beyond anastomosis, none before; 



female pale, unmarked bakeri. 



6^. Male with elongate silvery spot beyond anastomosis, and one or more 

 before luctiiosa. 



Dipseudopsis nervosa Br. 



Described from the Philippine Islands; one from Los Baiios. 

 Dipseudopsis luctuosa Banks. 



From Los Bafios and Mount Maquiling. 

 Dipseudopsis bakeri sp. nov. Plate II, figs. 20 and 21. 



Brown; antennae, palpi (except the last joint), legs, and venter 

 yellowish. Wings brownish yellow, veins pale yellowish, the 

 membrane with minute golden hairs; a hyaline white spot on 

 origin of median fork and on cross vein obliquely back of it. 

 Beyond anastomosis in the base of each cell including fork 1 to 

 fork 4 is a pale, rather silvery spot, the middle pair elongate, 



