1918.] F. If. (Jravelv: I'assalidae oj tin- World. lOo 



Labienus ptoxoides, n. sp. 



1<V- XIV, 3 and XV. 2. 



Two spoiimons, oue irom ^iiidai and the other from Mt. Arfak, both in New (hiinea. 

 Length 44-46 mm. 



This .sperie.s i.s allied to L. gracilis and L. ptox. The antennae resemhle those of L. ])(ot, 

 the first two lamellae being (luito short and the remaining four very lont;. The secondary 

 scars of tlic mentiim are straight, and extend to the po.sterior margin. The head closely 



3. 



I'Ki. .\V. 



Lahieiiiix ayiii. : iiu'iitum :< S. 

 1. K. iinieiiiiali.^. {ii-.ivr\y. 2. L. pln.rnith s. dravcly. 



'■i. L. jilii.f. Kaiip. 



re.sembles that of both L. giricilis and L. ptox, especially the latter. The pronotum resembles 

 that of L. ptox, the scar,s being more densely hairy and punctured than in L. ffmcilis. In 

 all other respects the present insect resembles both species. 



Labienus ptox. Kaup. 



Fis. XV. :',. 

 Erincnemix plo.r. Kaup. 18()8r;. p. "i."). 

 Labienus plox. Kaup, 1871, p. 'W. 



Numerous specimens from New CJuinea (Stephansort, Bongu, ^lilne Bay and Rood 

 Islands), Aru (Ureiuning and Wamma Dobbo) and Waigeu. Also one said to come from 

 Borneo and three from Sumatra. Length 4S-58 mm. 



This .species differs from the last only in its larger size and in having the .scars on the 

 mentum strongly arched instead of straight. 



Labienus compergus (Boisduval). 



Fi<;. XIV. 4;al.so pi. 1. 



l'iis.-<(iliis compergus, BoLsduval, 183."). |)j). 'it 1-2 Hi 

 I'lllejus eonrpergus, Kaup, 1871, p. 3(i. 



Several specimens from New Guinea (Milne Bay : Stephansort, Astrolalie Bay : .Vndai ; 

 Kapaur ; aiul Hattam, Arfak) and one from Waigeu. Length S2-j:,6 mm. 



The antennae resemble those of the majority of .species belonging to the gemis. Tiu^ 

 right outer tubercle is more or less distinctly double. The left outer tubercle may be 

 similar, or may be composed of three more or less distinct proces.ses. The pronotal scars 

 are unjninctured and hairless. The mesosternal .scars are variable. The po.sterior 

 intern\iili;iii' areas of the nietasternum are unpuncturoil Ml the grooves of the elvtra» 



p 



