1922.] 221 



A NEW GENUS AND SOME NEW SPECIES OF M0RD3LLIBM. 

 BY K. G. BLATB, B.SC, F.E.S. 



Calyce Champ. 



This genus was characterised by Champion in the " Biologia 

 Centrali- Americana," Coleoi^t., vol. iv, pt. ii, p. 307 (1891), on a defective 

 specimen. Though the type yet remains unique in the British Museum, 

 additional species now to be described enable the generic diagnosis to be 

 amj^lified, particularly with regard to the palpi, which are missing from 

 the type-specimen. These organs exhibit remarkable sexual dimorphism, 

 the terminal joint in the male (C. bicolor, sp. n., of which alone this sex 

 is yet known) being transverse, lamellate, with each end j^roduced into a 

 long process ; in the $ (C cardinalis, sp. n.) the last joint is rather 

 shortly cultriform. 



The genus was regarded by Chamj^ionas being very closely allied to 

 Mordellistena, evidently on account of the oblique comb-ridges on the 

 posterior tibiae and tarsi, but it seems likely that this character has been 

 independently developed. In the form of the head, with its peculiar 

 palpi, of the thorax and the pygidium, this genus is obviously very closely 

 related to the new genus described below, which appears to be best placed 

 near Glipa. 



Calyce cardinalis, sp. n. 



9 . Ruro-fulvous, clothed throughout with pubescence of the same colour. 

 Last joint of maxillary palpi rather large, cultriform, the outer <and apical mar- 

 gins almost equal, nearly twice as long as the internal. Penultimate joint of 

 anterior a»d intermediate tarsi bilobed ; posterior tibiae with eight oblique 

 combs on outer face, first seven (from the apex) successively longer and more 

 oblique, 8th very small, close to 7th ; first joint of hind tarsi with two short 

 combs (the rest wanting) ; outer apical spur much shorter than inner. Tarsal 

 claws of two anterior pairs of legs toothed in basal half. Pygidium short, 

 triangular, scarcely surpassing hypopygium. 



Length 9 mm. 



Hah. Bbazil, Rio de Janeiro {Fry'). 



Two defective specimens, one of Avhich (not the type) is that from 

 the Bates collection, without locality, mentioned by Champion. Very 

 similar to C. fulva Champ., but with different tibial combs, and the 

 penultimate tarsal joints more dilated and more deeply excavate at apex. 

 The antennae of both examples are wanting. 



