REVISION OF TEDS JAPANESE TERMITES. 



53 



labrum and legs yellowish. Ante-clypeus yellowish white. Eyes 

 black. Wings hyaline, slightly iridescent, with veins brown. 



Head. — Quadrate oval, a little longer than broad, slightly 

 rounded on the summit. T-shaped mark on the forehead, median 

 and transverse suture not very distinct. It is covered with fine 

 scattered hairs. — (Text-fig. 11, a). 



Antennae. — Bather long, 14-1 7 -jointed. In the specimen with 15 

 joints : 1st joint large, cylindrical ; 2nd also cylindrical, but smaller ; 

 3rd very narrow, broadest at the apex ; 4th-6th short ; the rest 

 turbinate, becoming larger and more stalked toward the extremity 

 of antenna ; the last smaller, oval, elongate. — {Text-fig. 11, b). 



Eyes. — Large, round, measuring about 0.23 mm. in diameter, 

 projecting on the sides. 



Ocelli. — Small, oval, in contact with the eyes. 



Labrum. — Nearly as long as broad. Anterior margin rounded, 

 antero -lateral corners narrowly rounded, sides almost straight and 

 converging posterior- 

 ly. Several bristles 

 arranged in a row 

 near the white 

 coloured anterior 

 border. — (Text - fig. 

 11, c). 



Ante-clypeus. — 

 Trapezoidal in shape, 

 with almost straight 

 anterior margin, sides 

 diverging posterior- 



Post-clypeus. — Short, scarcely distinguishable from the forehead. 



Text-fig. 11. Calotermes (Cryptotermes) kotoensis. 

 Imago, a,,' Head; b, Antenna; c, Labium; d, Eight 

 mandible ; e, Left mandible ; f , Pronotum ; g, Fore 

 wing; h, Hind wing, (a, f x20; b, ex 33; g, hx6.5). 



