ee 
Vol. VII, No. 11.] Indian Earwigs. 791 
[N.8.] 
pp- 146 and 147. 
Adiathetus tenebrator, Kirby (redescribed). 
Size medium or large: colour blackish-brown: 
Antennae with 15—16 segments, one or two ante-apical 
segments pale: fourth a little more than half as long as third : 
fifth about equal to third, the rest elongate, all cylindrical. 
Head broad, depressed, tumid behind the eyes, sutures 
distinct. 
Pronotum subquadrate, slightly widened posteriorly, pro- 
zona tumid, with well-marked median suture and impression 
on each side: metazona 
Elytra perfectly smooth, duli brownish black 
ings prominent, bright shining black tipped with orange 
at the suture. 
Legs short, black : tarsi long, ape strongly a 
which it is gently narrowed apically, pe reddish black, inter 
tubercles strong: punctulate. 
orsal segment ample, smdoth: in the ¢ square, 
tumid in the middle near the posterior margin, with a row of 
small compressed tubercles, a depressed area — the angles: 
in the 9 similarly, but more feebly, tuberculat 
Penultimate ventral segment broadly aad in both 
sexes. 
Pygidium in the ¢ short, subquadrate, tumid, depressed, 
and somewhat narrowed to the a apex, which is abru uptly tran- 
cate, similar in the 2 but more strongly narrowed, produced 
orceps with the branches in the ¢ strongly depressed, 
and dilated for half their length, strongly dentate on the inner 
margin of this portion: apical portion attenuated. with a 
nearly obsolete tooth, gently arcuate, the tips blunt and 
incurve 
In the 9, the branches are feebly depressed elongate, 
nearly straight, ‘and not dilated, with a sharp triangular tooth 
in the inner margin at the base itself, and a small tooth near 
the mi oe. 
3 9 
Long. corporis ~.) 20 mm. 18°5 mm. 
,,  forcipis 7 9-5. 
INpDIA: < se — s Type). 
SouTHE : Travancore. 1 ¢ os ae: Nil- 
giris, Ratkur, nag ria (Leg. Green, 1 2 coll. m 
Madura District : near Shembaganur Hsteas: coll. mihi). 
ecies has long been known only from a single female 
in the British Museum labelled ‘‘ India ’’, named tenebrator in 
