The earwigs of CEYLON. 325 



The forceps of the $ have the branches very slender, yellow, straight, 

 remote at the base, with a long sharp fine tooth or spine on the inner mar- 

 gin at the base, pointing downwards ; the branches are gently curved in to 

 meet at the apex. In the $ the branches are contiguous, slender, straight 

 pale-yellow, slightly decussating at the apex. 



Length of body 3'75 mm, 5 mm. 



„ of forceps 1*25 1. 



Forficula mucronata, Stal., 1860, Eugenies Resa, 303. 



LaUa mucronaia , Dohrn, 1864, Stett.ent, Zeit., xxv., p, 423 



Borm., 1888, Ann. Mus. Civ. Gen. (2), vi., 439, id., 1894, 1. 

 c„ xiv., 38G., id. 1900, Forf. 68. 

 Habitat. — Java (Stal). Philippines ; New Guinea (Dohrn) ; Burmah and 



Eastern India (Borm.). 

 In Oeylon, Colombo, 1*97, from decaying pod ot Pome/ana, I 9, and 

 Matale, in decaying cocoa pods, and crevices in the bark of cocoa trees, ^ 

 and 9 (Green). 



This pretty little species may be recognised by the sharp downward tooth 

 or spine at the base of the forceps of the male. The colour of the forceps 

 varies from pale-yellow to black. It appears to be common in Ceylon, and 

 is abundant throughout the Oriental Region. 



LABIA CURVI CAUDA, Motsch. 

 Head black or dark-brown ; mouth parts paler ; antennas brown, the 

 tenth or eleventh segment whitish. Pronotum longer than broad, broader 

 posteriorly than anteriorly, dark-brown, or by variety reddish in the anterior 

 portion. Elytra and wings dark-brown, the latter not very prominent. Feet 

 testaceous, the femora black at the base. Abdomen slightly dilated, dark 

 reddish-brown, the last segment brighter, impressed in the middle, narrow, 

 with a small tubercle above the insertion of the forceps on each side, 

 Brat)ches of the forceps $ remote at the base, where they are dilated, then 

 strongly incurved and attenuated, meeting at the apex, forming a semicircle ; 

 in the $ the branches are straight, contiguous, unarmed, the same colour as 

 the abdomen, or reddish by variety. 



Length of body ...$ $6"5 mm. 



„ of forceps $ 9^ uvm. 



Forfiscelia curvicauda, Motsch, 1863, Bui. Soc.Imp. Nat, Moscou, xxvi., Part 



2, No iii., p. 2, Tab. II, Fig. 1. {$) 

 Labia curvicauda, Dohrn., 1864, Stett. Ent. Zeit., xxv., 428, 



Borm., id., 1900. Forf. 70. Ann. Mus. Civ, Gen, (2), vi,, 

 440 ; id., 1. c, xiv., 387. 

 Habitat— Gejlon, Mts.Nura Ellia, (Motsch.), Numerous in Burmah (Borm,) 

 Western Java (coll, mea), Ceylon (Thwaites, in coll, Hope). 



I possess a male of this species from Java, which differs slightly in colour 

 frqm the type," It may be known by the semi-circular forceps of the male 

 ■which recall the forceps of certain Anisolabis. 

 17 



