Vol. XXVlii] ENTOMOLOGICAL NEWS. 113 



Cinchona, Jamaica. II, 26, 1911. (J. A. Grossbeck.) One 

 male. [Amer. Mus. Nat. Hist.] 



Montego Bay, Jamaica. Ill, 1911. (J. A. Grossbeck.) One 

 male. [Amer. Mus. Nat. Hist.] 



Montego Bay, Jamaica. XII, 1913, and III, 1914. (C. G. 

 Hussey.) Three males. [Hebard Cm.] 



This is the most striking member of the genus, and it is 

 found in a relatively restricted and most isolated habitat for a 

 Stilpnochlora. Quite curiously it has not been previously rec- 

 ognized from material since Sloane's drawing (the basis of 

 laurifolius Linnaeus), aside from Brunner's comments on a 

 male from Jamaica which showed differences from inarg'mella. 

 Sloane's original figure was based on a specimen which "came 

 amongst some Scotch Grass, brought from the Caymanes for 

 the Horses, and was taken in the Stable and kept alive on Sugar 

 and Water for some Time." 9 It is very probable the specimen 

 was a native Jamaican insect, which found a congenial resting 

 place on the Cayman grass. Linnaeus' name was erroneously 

 used for a great many years for a North American species of 

 Micro centrum, a misuse apparently due to the failure of au- 

 thors to verify the source of the name. The figure of Sloane 

 is clearly a Stilpnochlora, and as far as can be determined rep- 

 resents the present species. 



The species has a development of the stridulating field of 

 the male, which is very great ; in fact, it is the most striking 

 thing about that sex of the insect. We have not examined 

 the female and can make no comment on that sex, as it is ap- 

 parently unknown at this writing. 



The measurements (in millimeters) of two representative 

 males of this species are as follows: 



Montego Bay Montego Bay 



Jamaica Jamaica 



XII, 1913 III, 1914 



Length of body 31 33 



Length of pronotum 9.5 9-5 



Greatest caudal width of pronotal disk 8.3 8.4 



Length of tegmen 60 59.5 



Greatest width of tegmen 20.2 19.6 



Greatest width of stridulating field of tegmen 9.4 9.5 



Length of caudal femur 32.3 32.5 



9 Nat. Hist. Jamaica, II, p. 201, pi. 236, figs, i and 2 (1725). 



