364 The Philippine Journal of Science i9i6 



Worker' (the smaller form). — Head yellowish brown, rather 

 paler; antennae, legs, and abdomen straw-colored. Head spar- 

 ingly pilose; abdominal tergites provided with two series of 

 spiny hairs; antennae 14- jointed, 2d joint longer than 3d, 4th 

 joint ring-shaped, half as long as 3d; pronotum saddle-shaped, 

 anterior border entire. 



Mm. 

 Length of body 4.00 



Width of head 0.93 



Width of pronotum 0.53 



Habitat. — Luzon, Manila (Banks), May 20, 1915, in mango, 



Mangifera indica Linn. 



Eutermes (Grallatotermes) luzonicus Oshima. Plate II, fig. 6. 



Eutermes (Grallatotermes) luzonicus OSHIMA, Ann. Zool. Jap. (1914), 

 8, 581. 



Imago. — Unknown. 



Soldier (the larger form). — Head dark brown; abdomen dark 

 yellow, shiny. Head very sparingly provided with spiny hairs; 

 abdominal tergites densely provided with minute hairs, posterior 

 tergites with longer spiny hairs along the posterior border. 



Head broadly oval; rostrum conical, its anterior surface 

 making a curve with the anterior surface of head, basal part 

 slightly swollen ; apical portion of mandibles very short ; antennae 

 13-jointed, 3d and 4th joints longer than 2d; pronotum saddle- 

 shaped, anterior border slightly indented at middle, posterior 

 border rounded. itoi. 



Length of body 4.00 



Length of head with mandible 1.78-1.81 



Length of head without mandible 1.06 



Width of head 1.16-1.22 



Width of pronotum 0.56 



Soldier (the smaller form). — Color as in the former; head 

 and abdominal tergites nearly smooth, very sparingly provided 

 with spiny hairs; antennae 13-jointed, 3d joint nearly as long 

 as 2d. Mm. 



Length of body 3.50 



Length of head with rostrum 1.65 



Length of head without mandible 1.00 



Width of head 1.09 



Width of pronotum 0.50 



Worker (the larger form). — Head chestnut-brown, abdomen 

 yellowish white. Head sparingly provided with spiny hairs; 

 abdominal tergites covered by delicate hairs, posterior tergites 

 with longer hairs. 



