REVISION OP THE JAPANESE TERMITES. 



121 



Imago. 

 (PI. IV. Fig. 24; Text-fig. 29). 



Colour. — Head dark brown, lighter coloured in forehead. 

 Antennae, palpi, mandibles excepting the brown inner margin, labrum 

 and post-clypeus yellow. Pronotum yellow, sometimes brownish. 

 Meso- and metanotum lighter coloured. Dorsal plates of the abdomen 

 yellowish brown, 

 ventral ones yellow, 

 with a brown spot 

 on each side. Legs 

 yellow with spines 

 and claws brown. 

 Wings yellowish 

 brown, semihyaline, 

 with veins dark 

 brown. 



Head. — Very 

 hairy. Almost 



spherical, slightly 

 broader than long. 

 Fontanelle small, 

 slit-like, situated in 

 the centre of the head. 

 (Text-fig. 29, a). 



Antennae. — Much longer than the head, 14-1 6 -jointed. When 

 there are 16 joints: 1st joint very stout, cylindrical; 2nd shorter 

 and narrower ; 3rd smallest, nearly as long as broad ; 4th almost 

 as broad as 2nd, but shorter ; 5th-7th moniliform ; 8th-15th 

 turbinate, increasing in size and in length toward the extremity ; 



Text-fig. 29. Enfermes (Eutermes) takasagoensis. Imago, 

 a, Head ; b, Antenna ; c, Labrum ; d, Right mandible ; e, 

 Left mandible ; f, Pronotum ; g, Fore wing ; h, Hind wing, 

 (a, fx20; b— ex 33; g, hx3.3). 



Area surrounding the fontanelle concave. — 



