LABIA. 117 



66. Labia nigrella, Dubromj* (Fig. 81.) 



Labia nigrella, JDubr. (79) p. 370 ; Borm. (OO'J) p. 68 ; Kirbt/, (04) 



p. 26. 

 Labia fasciata, Bor77i. (94) p. 387, (00') p, 71 ; Kirby, (04) p. 25. 



Small ; blackish, not hairy. Antennae with 11 segments, all 

 leather short and thick ; third short, gently clavate : fourth much 

 shorter, oval, the rest gradually lengthening, fifth almost as long 

 as third ; first 5 or 6 yellowish, the rest dark. Head smooth, 

 tumid, black, the sutures indistinct ; eyes greyish. Pronotum 

 a trifle narrower than the head, truncate anteriorly, the sides 

 parallel ; posterior margin rounded, about as long as broad ; 

 blackish brown, with an irregular whitish border, broadening out 

 into a triangle in the middle. Elytra rather long and narrow : 

 dull brown, usually with a transverse greyish -white band across 

 the shoulders. Wings prominent, greyish. Legs short, blackish 

 brown ; the knees and first two tarsal segments rather paler. 

 Abdomen typical, chestnut. Forceps with the branches alike in 

 both sexes, but a little longer in the $ than in the d" , chestnut, 

 short, rather stout, trigonal, almost contiguous and straight as far 

 as the points, which are slightly curved inwards and upwards. 



Length of body 5-5 mm. 5 mm. 



„ forceps .... 0-5 „ 0-65 „ 



BuEMA: Karen-ni, Keba District, 3000-3700 ft., v.-xii. (Genoa 

 JItis.) ; Tenasserim : Thagata, iv. (Brit. Mus., coll. Burr). 



It also occurs in Java. 



Type in the Genoa Museum, 



This little earwig is easily recognizable by its simple form, 

 tumid and globose head, small build, greyish-black colour, the 

 very distinct transverse whitish stripe or broad spot usually 

 present on the elytra near the base ; the stripes on the elytra 

 in earwigs are almost always longitudinal. It has a superficial 

 resemblance to an ant, 



67. Labia luzonica, Dohm. 



Labia luzonica, Dohm, (64) p. 427 ; Bonn. (88) p. 439, (94) p. 386, 

 (00^) p. 70 ; Kirby, (04) p. 26. 



Small, orange-yellow, pubescent. Antennae brown, with 15 

 segments ; third cylindrical, short ; fourth not longer than 

 bi'oad ; the others all short, scarcely longer than broad, cylin- 

 drical. Head tumid, smooth, chestnut ; the suture obsolete, 

 Pronotum orange, subquadrate ; the posterior margin convex. 

 Elytra ample, orange, darker along the suture. Wings of the 

 same colour, hairy. Legs short, golden yellow ; femora rather 

 thick. Abdomen dark reddish chestnut, hairy. Last dorsal 

 segment emarginate posteriorly, narrow. Forceps with the 

 branches unarmed in both sexes, deep reddish chestnut, short, 



