VIII. D, 4 Oshima: Termites of Japan 277 



Subfamily LKUCOTERMITINyE Holmgren 

 Genus LEUCOTERMES Silvestri 



10. leucotermes speratus (Kolbe). 



Termes speratus Kolbe, Berl. ent. Zeitschr. (1885) 25, 145, PI. 6; 

 Matsumura, * Systematic Entomology (1907), 1, 54, fig. 44; Oshi- 

 ma, * Zool. Mag. Tokyo (1908), 20, 514. 



Termes flavipes Oshima, * Zool. Mag. Tokyo (1909), 20, 515. 



Leucotermes speratus Shiraki, * Trans, ent. Soc. Jap. (1909), 2, 

 230; Oshima, * Zool. Mag. Tokyo (1910), 22, 414; Nawa, * The 

 Insect World (1910), 14, 547; Yano, * Report Jap. Forestry 

 Station (1911), No. 9, 58, PI. 4, figs. 4-11; Oshima, * Report 

 Term. Ill (1912), 71, PI. 1, fig. 11, PI. 2, figs. 10, 13; Holmgren, 

 *Annot. Zool. Jap. (1912), 8, 124. 



Termes {Leucotermes) speratus Oshima, * The Insect World (1911), 

 1 5, 356, PI. 18, figs. 4, 6. 



Locality. — This species is the commonest termite in all parts 

 of Japan proper. 



11. Leucotermes flaviceps Oshima. 



Leucotermes flaviceps Oshima, * Report Term. Ill (1912), 74, PI. 1, 

 fig. 10, PI. 2, figs. 15-17. 



Soldier. — Head pale yellow; mandibles reddish brown, basally 

 paler; head cylindrical, flattened, posterior corner slightly 

 rounded, anterior angles quadrate, lateral margins straight and 

 parallel, ratio of length to width 1:0.60-0.62; mandibles saber 

 shaped, with apex incurved, slender, and slightly curved upward 

 in lateral view; cutting edge of left mandible with 3 small basal 

 teeth; right mandible smooth; antennae with 16 joints, the 3d 

 joint narrowest and shorter than the 2d; labrum lanceolate, 

 with whitish apex which is provided with 2 or 3 delicate hairs; 

 pronotum narrower than head, lateral margins converging pos- 

 teriorly, anterior angles acutely rounded, posterior angles broadly 

 rounded ; middle of anterior border emarginate, posterior border 

 straight; abdominal papillse present; body 4.5 mm. long. 

 Leucotermes flaviceps; measurements of head of soldier. 



Locality. 



Lengrtb. 



Width. 



Ratio of 



length to 



width. 



Botel Tobago 



1.56 

 1.56 

 1.75 

 1.56 

 1.72 

 1.72 

 1.72 

 1.75 

 1.75 

 1.88 



0.97 

 0.97 

 1.06 

 1.97 

 1.03 

 1.03 

 L06 

 1.03 

 1.03 

 1.03 



1:0.62 

 1:0. 62 

 1:0.61 

 1:0.62 

 1:0.60 

 1:0.60 

 1:0.62 

 1:0.58 

 1:0.58 

 1:0.60 



Do 



Do 



Do 



Do 



Do 



Horisha 



Do 



Do 



Do 





