hymenoptera. 315 



20. Melissodes Fonscolombei. 



Melissodes Fonscolombei, Romand, Mag.Zool.{\%i\) t.^O. f. 1 a, 



16,(?&$. 

 Hah. Chili. 



Genus 46. XENOGLOSSA. 



Xenoglossa, F. Smith's MSS 



Head transverse, stemmata very large, approximating, placed 

 in a curve on the vertex. The mentum of about equal length 

 with the two basal joints of the labial palpi, the latter 4-jointed, 

 the two apical joints minute, placed at the apex of the second 

 joint ; the paraglossse setiform, pubescent, nearly as long as the 

 labium ; the maxillary palpi 5-jointed ; the basal joint incrassate, 

 of the same length as the second joint, the third joint of the 

 same length as the second, the fourth joint shorter than the 

 third, the fifth very minute. Antenna? of about equal length in 

 the two sexes, the flagellum subclavate. The superior wings 

 having one marginal and two submarginal cells ; the marginal as 

 long as the three submarginal ones united ; the second submar- 

 ginal cell oblique-quadrate, the third narrowed towards the mar- 

 ginal; the posterior tibiae slightly dilated and having a long 

 loose scopa ; the claws bifid ; the intermediate legs of the males 

 simple. 



1. Xenoglossa fulva. B.M. 



Female. Length 8 lines. — Entirely bright fulvous, and clothed 

 with fulvous pubescence, the flagellum fuscous ; the wings fus- 

 cous, the nervures black, the tips of the claws black, the pubes- 

 cence on the tarsi beneath ferruginous ; the pubescence on the 

 abdomen short and velvety, that on the basal segment is long, 

 as well as that on the thorax. 



Male. — Closely resembling the female, but having the clypeus 

 and labrum yellow, the base of the mandibles is also yellow. 

 The apical segment of the abdomen subquadrate, having on each 

 side an elevated carina, and a central abbreviated one reaching 

 the apex; above subrugose, beneath smooth and shining. 



Hab. Mexico (Puebla). 



Genus 4?. OX^A. 

 Oxaea, Klug, Mag. der Gesell. Nat. Fr. zu Berlin (1807), p. 262. 



1. OXiEA FLAVESCENS. B.M. 



Oxaea flavescens, Klug, Berlin Mag. p. 262. t. 7- f- 1 (1807) S • 

 Latr. Gen. Crust. Ins. iv. p. 172. 

 Blanch. Hist. Nat. tns. iii. 411. 



