328 Mr. F. P. Pascoe on some new Anthribida. 



Xenocet-us insignis. 



X. aterrimus, albo-varius ; antennis tarsisque albo-annulatis. 



Jantennis corpore quadruple longioribus, articulis quarto et 



quinto basi albis. 



$ antennis dimidio corporis vix longioribus, articulis quarto et 



quinto basi, septimo basi excepta, et octavo albis. 

 Hab. Amboyna. 



Male. Deep black ; two lines between the eyes, a spot on the 

 front, three stripes on the prothorax (the lateral ones shorter and 

 narrower), a sutural patch expanding below the middle into a 

 broad band, and sides of the thorax beneath, white ; antennae 

 four times as long as the body, base of the fourth and fifth joints 

 white ; tarsi with the base of the first and second joints of the 

 four posterior, and the base of the last of the posterior only, 

 whitish-cinereous. In the female, the white on the prothorax is 

 more diffused, shading gradually into the black, and the whole 

 of the upper two-thirds of the elytra is white, except at the 

 shoulders and two black spots near the centre of the patch ; the 

 tarsi have all the joints, except the penultimate, whitish at the 

 base. Length 10 hnes. 



Nearly allied to, or perhaps only a variety of X. semiluctuosus, Bl. 



Zyg^engdes. 



Head broadly triangular in front, expanded at the sides into 

 a thin process bearing the eye. Antennae slender, longer than 

 the body, ll-jointed, the first thick and longer than the second, 

 which is short and obconic, the remainder filiform and subequal, 

 except the three last, which are somewhat stouter; antennal groove 

 broad, commencing beneath the lateral process, and continued 

 to the mandible. Eye oblong. Labrum very small. Mandibles 

 robust. Maxillary palpi moderate, pointed. Prothorax trans- 

 verse, width of the elytra, semicircular anteriorly, narrowed sud- 

 denly behind, the carina distant from the base, and curving 

 shortly round to the front. Elytra short. Legs moderate ; 

 anterior coxae approximate, the middle distant ; first tarsal joint 

 longer than the rest together. Prosternum simple ; mesoster- 

 num broad, truncate posteriorly. 



Zygmiodes Wollastoni. 

 Z. nigra, guttis cinereo-albis ornata j capita antice cinereo-albo. 

 Hab. Borneo. 



Dull black, pubescent ; head between the eyes, prothorax, and 

 elytra, covered with small ashy-white spots ; front of the head 

 from the eyes to the mandibles entirely ashy- white ; body be- 

 neath, and legs, with a pale ashy pubescence. Length 3 lines. 



Dedicated to the author of ' Insecta Maderensia.^ 



