1920 
502 The Philippine Journal of Science 
Eutermes (Eutermes) balintauacensis Oshima. Plate 3, fig. 17 ; 
Plate 4, fig. 16. 
Eutermes ( Eutermes ) balintauacensis Oshima, Philip. Journ. Sci. § 
D 12 (1917) 224 (Balintauac) . 
Locality. — Luzon, Laguna Province, Paete, March 10, 1917* 
from old decayed wood. 
Eutennes (Eutermes) castaneus sp. nov. Plate 2, fig. 4; Plate 3* 
fig. 18; Plate 4, fig. 15. 
Imago. — Unknown. 
Soldier. — Head brownish yellow, rostrum somewhat darker, 
antennae dark yellow ; thorax and abdomen pale chestnut-colored ; 
labial palpi and legs straw-colored. Head and thorax sparingly 
provided with long spiny hairs; abdominal tergites densely pi- 
lose, long spiny hairs intermingled with minute ones. 
Head broadly oval, sides strongly converging anteriorly, dor- 
sal profile not straight, with a swelling at the junction of ros- 
trum; rostrum rather long, slender, its upper surface on the 
same plane as that of the head; mandibles with more or less 
developed apical portion; antennae 13-jointed, basal joint much 
enlarged, third joint elongate, nearly twice as long as fourth, 
second joint slightly longer than fourth, other joints inverted- 
cone-shaped, apical joint oval; pronotum saddle-shaped, anterior 
border rounded. 
mm. 
Length of body 3.00-3.20 
Length of head, with rostrum 1.47-1.59 
Length of head, without rostrum 0.81-0.84 
Width of head 0.81-0.84 
Width of pronotum 0.44-0.47 
Worker . — Head yellow; antennae and labial palpi much paler; 
thorax and abdomen yellowish white. Head, thorax, and ab- 
dominal tergites densely covered with short hairs. 
Head quadrate, posterior border broadly rounded; Y-suture 
obscure; postclypeus more or less swollen, much shorter than 
half its width; anteclypeus longer than the former, obtusely 
pointed anteriorly; antennae 14- jointed, second joint much longer 
than third, fourth joint the smallest, ring-shaped, nearly half 
as long as third ; pronotum saddle-shaped, anterior border 
rounded. 
Length of body 4.00-4.20 
Length of head 1.09 
Width of pronotum 0.59 
