01" THE ISLAND OF ST. YINCENT. 79 



Report on the Chalcididae of the Subfamilies Chaloidince, Eu- 

 charince, Perilampince, 'Encyrtince, Aphelinince, Pirenince, 

 JElasmincs, and Ulachistince. By L. O. Howaed. 



Subfamily Chalcidin^. 

 Spilochalcis, Thomson. 



SPILOCHAICIS FEMOEATUS. 



Crabro femoratus, Fair. Syst. Ent. p. 375, no. 10 (1775). 



Sphex punctata, Fabr. Spec. Ins. i. p. 446 (1781). 



?Chalcis fasciata, Oliv. Enc. Meth. v. p. 439, no. 9 (1790). 



Smicra subpunctata, Walk. Ent. Mag. ii. p. 25 (1834). 



Smicra nigropicta. Cress. Proc. Ent. Soc. Phil. iv. p. 55 (1865). 



Smicra dorsivittata, Cameron, Biol. Cent. -Am., Hym. i. p. 90, pi. v. fig. 2. 



Smicra femoi-ata {Fabr.'), Kirby, Linn. Journ., Zool. xvii. p. &^. 



This handsome species is represented in a series of 2.9 male 

 and female specimens which show surprisingly little variation. 

 I have seen a single specimen from Jamaica. 



Spilochalcis pulvesceks. 



Smicra fulvescens, Walker, Ent. Mag. ii. p. 25. 



Smicra fulvescens. Walker, Cresson, Trans. Am. Ent. Soc.iv. p. 56. 



The 109 male and female specimens which the St. Vincent 

 collection contains show an extraordinary variation in size, from 

 4! millim. to 12 millim. in length, but are otherwise constant. 



Spilochalcis nigeitfs, sp. n. 



Average length 3"3 millim. ; expanse 5'6 millim. Hind femora 

 with 17 teeth beneath ; petiole of abdomen about one half the 

 length of the hind coxa. General colour black, with rather close, 

 short, whitish pubescence ; mandibles yellow ; a yellow spot at 

 insertion of antennae ; margin of eyes behind narrowly yellow, 

 and a short spot in middle of front eye-margin ; two small con- 

 tiguous yellow spots in middle of hind margin of pronotura and 

 two still smaller on either side, one on hind margin and one 

 a little before and mesiad of this ; a small yellow spot a little 

 before middle of each parapsidal furrow of mesoscutum ; a larger 

 roundish yellow spot on each side of mesoscutellum ; an irregular 

 transversely oval Hght lemon-yellow spot each side of dorsum of 

 third abdominal segment (counting petiole as first) ; trochanters 

 faintly yellowish at tips; all femoro-tibial knees yellow; aU 

 tibiae yellow, with a black band in centre ; all tarsi light yellow ; 



