XI, D, 3 Banks: Neuropteroid Insects 197 



of Philippine termites collected by Baker, and one new species 

 collected in Manila by Mr. P. Kanehira, government forester of 

 Formosa, have been described by Oshima.^ 



EMBID^ 



Oligotoma saundersi Westwood. 



The only species of this family so far received is Oligotoma 

 saundersi Westwood. Two specimens from Mount Maquiling, 

 Luzon. It is a brownish species with pale streaks in the 

 Winers. It is widely distributed and extends to India. Africa, 

 and Australia. 



CORRODENTIA 



This order includes the family Psocidse, or bark lice. Num- 

 erous genera have been described or recorded from the Malay 

 region by Enderlein. Those known from the Islands may be 

 tabulated as follows: 



PSOCID^ 



Key to the genera. 



a'. Wings more or less net-veined beyond the middle; head very broad. 



Calopsocus. 

 a'. Wings not net-veined. 



6*. Wings acute at tips and clothed with scalelike hairs.... Amphientomum. 

 b'. Wings without scalelike hairs. 

 c'. A closed discal cell. 



d'. Stigma very long and slender Taeniostigma. 



d'. Stigma normal. 



e\ Tarsi three-jointed; wings more or less densely dotted with 



brown Myopsocus. 



e'. Tarsi two-jointed; wings not dotted with brown. 



/'. Radius and median united for at least one point Psocus. 



p. Radius and median not united; connected by a cross vein. 



Amphigerontia. 

 c'. No closed discal cell. 



g^. Stigma with a short spur behind Amphipsocus. 



g'. Stigma without a spur. 



h^. Radius and median vein not united, but connected by a cross 



vein; stigma and areola postica elongate Epipsocus. 



h'. Radius and median united at least at one point. 



i^. Stigma very long, like Tseniostigma Tagalopsocus. 



f. Stigma of moderate length. 



j^. Areola postica very high Kolbea. 



f. Areola postica moderate. 



k^. Basal joints of antenna elongate and enlarged; venation 



aberrant Dypsocus. 



le'. Basal joints of antennae neither elongate nor enlarged. 



Caecilius. 

 ^ Annot. Zool. Japan. (1914), 8. 



