BLOSTRfS. 33 



1. Blosyrus asellus, Ol'w. 



Curculio asellus, Olivier, Ent. v, 83, 1807, p. 356, pi. 24, f. 347 ; 



Fahrc-eiis, SclRinh. Gen. Cure, v, 1839, p._ 909. 

 Blosyrus philippmensis, Jekel,* Col. Jekel. ii, 187o, p. lo3 (n. syn.). 

 Blosyrus s>q)erciliosus, Chevrolat,* Le Natural, ii, 1862, p. 93 (n. syu.). 



Coiour black, with greyish-browa scaling ; the prothorax with 

 two paler lines, which are continued on to the base of the el_ytra ; 

 each elytron with an oblique discal pale stripe from the shoulder 

 and a faint transverse band behind the middle. 



Read with a deep central furrow and a shallow one on each 

 side of it. Rostrum with the transverse basal furrow continued 

 right up to the eyes, parallel-sided, broadly and deeply impressed 

 in the middle and with a narrow central carina. Antenme with 

 the basal joint of the funicle slightly longer than the second. 

 Prothorax a little broader than long, apex rather narrower than 

 the base and both subtruncate, sides slightly rounded, broadest 

 before middle; upper surface convex, with deep scattered punc- 

 tures, each containing a short scale-like seta, and with a narrow, 

 more or less abbreviated, central carina. Elytra with the basal 

 margin subtruncate, broader than the base of the prothorax, the 

 external angles scarcely projecting, shoulders broad and strongly 

 produced into a sharp humeral angle, the sides subparallel from 

 there to the middle ; upper surface convex, with regular deeply 

 punctured strite, the intervals comparatively broad, smooth and 

 subcostate, the alternate ones slightly more elevated and with 

 rows of suberect broad scale-like setae, interval 4 with a small 

 tubercle at its apex. Legs moderately stout, wdth dense brown 

 scaling and depressed pale setoe. 



No external differences in the sexes, except the sjiialler size of the 

 (^ ; the apical abdominal segment is not impressed in either sex. 



Length, 4^-6^ mm.t; breadth, 2^-31 mm. 



Bengal ; Assam ; Burma ; Andamans ; Cambodia ; Malacca ; 

 Sumatra ; Borneo ; Philippines. 



Type in the Paris Museum ; of B. phiUppinensis in the British 

 Museum, of B. superclUosus at Stockholm. 



This widely spread species varies considerably in size and 

 markings. 



2. Blosyrus onisciis, Oliv. 



Curculio oniscns, Olivier, Eut. v. 83, 1807, p. 355, pi 24, f. 346 ; 



Boheman, Schtinh. Gen. Cure, i, 18.33, p. 552. 

 Blosyrus oniscns, var. olivieri, Faust, Arm. Mas. Civ. Genova, xxxiv, 



1894, p. 170(1895). 



Colour black with grey-brown scaling ; prothorax usuallj^ with 

 a faint whitish line on each side of the base ; each elytron with 

 the following pure white spots : one at the base of interval 3, 



* Au asterisk after the name of a species in the synonymy indicates tlmt 

 the type or a cotype has been examined by the author, 

 t The rostrum is never included in leugtiis given. 



I) 



