XV, 4 
Oshima: Formosan Termites 
325 
by many short branches, cubitus with about ten branches, not 
reaching tip of wing, its tip anastomosing and connecting with 
median nerve. 
Measurements of the imago. 
Length of body with wings 
9.00 
Length of body without wings 
4.50 
Length of head 
1.03 
Width of head 
1.00 
Width of pronotum 
0.90 
Length of pronotum 
0.59 
Length of anterior wing 
8.00 
Soldier . — Head yellow; mandibles reddish brown; thorax and 
abdomen yellowish white; antennas and legs straw-colored; head 
moderately pilose, thorax densely provided with short, spiny 
hairs; abdominal tergites densely pilose. 
Head cylindrical, posterior border rounded, anterior border 
nearly straight, sides straight and parallel; clypeus very short, 
indistinctly separated from forehead; labrum lancet-shaped, tip 
whitish, scarcely reaching middle of mandibles ; mandible saber- 
shaped, tip incurved, cutting margin smooth; antennae 14- to 
16-jointed; third joint smallest, nearly half as long as second; 
fourth joint slightly shorter than second; fontanelle indistinct; 
pronotum heart-shaped, anterior border bilobed, posterior border 
nearly straight, sides converging posteriorly, mesonotum and 
metanotum narrower than pronotum. 
Measurements of the soldier. 
Length of head 
5.00 
Length of head with mandibles 
2.50 
Length of head without mandibles 
1.75 
Width of head 
1.03 
Width of pronotum 
0.78 
Length of pronotum 
0.47 
Worker . — Head yellowish white; thorax, abdomen, antennae, 
and legs whitish; head, thorax, and abdominal tergites densely 
pilose. 
Head round, slightly widening anteriorly; length of post- 
clypeus less than half its width; antennae 14-jointed, second 
joint nearly as long as third, fourth joint as long as third; 
pronotum narrower than head, anterior border bilobed, slightly 
raised, posterior border nearly straight, sides converging pos- 
teriorly; mesonotum nearly as broad as pronotum; metanotum 
much broader than mesonotum. 
