AMERICAN HYMKNOFTERA. 257 



The central part of the propleurse is strongly striated and the upper 

 part of the mesopleiirse less strongly above ; in ce)itrale these parts 

 are coai-sely aciculated, not distinctly striated. 



Liiuueriuui inexicaniiin sp. nov. 



Black; the mandibles, palpi, 4 anterior coxse and troclianters, the hind tro- 

 chanters, and the tegulie pale yellow; the rest of the 4 front legs pale fulvous; 

 the hind legs rufous, their coxje, extreme base of tibiae, a band beyond the white 

 one near the base, their apical third and the tarsi black; the spurs white; wings 

 hyaline, the nervures and stigma black ; the apex of the 2nd abdominal segment 

 and the apical segments at the sides, rufous. 9 • Length 4-5 mm. 



Head closely punctured, the sides of the vertex obliquely striated. Labrum 

 clearly separated, yellow. Mandibular teeth piceous. Thorax alutaceous, the 

 pleurse and metanotum thickly covered with white pubescence. Areola clearly 

 defined, the base roundly narrowed, the sides straight, the apex transverse, the 

 keel not very distinct ; from its sides a keel runs obliquely to the apex ; the spi- 

 racular region bordered by keels. Areolet with a long pedicle, oblique, receiving 

 the recurrent nervure at the apex. 



Hah. — Mexico. 



Liiiuneriuin azteciiin sp. nov. 

 Black ; the head and thorax densely covered with white pubescence; tlie man- 

 dibles, palpi, 4 front coxte and trochanters, the apical joint of the posterior tro- 

 chanters, the extreme base of the hind tibiae, a broad band (broader than the 

 apical or basal parts) in the centre, the basal third of the metatarsus and the cal- 

 caria whitish yellow; wings hyaline, the stigma fuscous, the nervures darker; 

 the areolet small, triangular, shortly appendiculated. Head and thorax aluta- 

 ceous, the pleurae smoother and more shining. Areola indistinctly defined, 

 small ; the curved transverse furrow at its apex, stout in the middle, more indis- 

 tinct laterally. Tegulae yellow. Abdomen stout, especially posteriorly; not 

 much longer than the head and thorax united. Ovipositor short. Length 4-5 nun. 



Hah. — Mexico. 



May be known from the other Central American species by the 

 broad white band on the hind tibiae. 



Liiuiueriiiin ceutrale sp. nov. 



Black; the head and thorax densely covered with silvery pubescence; the ab- 

 domen with shorter white pubescence; the underside of the antennal scape, 

 mandibles (their apex piceous) and tegulae yellow; legs: the 4 anterior rufo-ful- 

 vous, their coxae and trochanters pale yellow ; the hind legs rufous, the coxae 

 black, trochanters yellow ; the apex of femora slightly, of the tibiae more broadly 

 and the tarsi black; wings byaline, the stigma and nervures fuscous; the an- 

 tennte dark fuscous, the scape yellow below. % . Length 5.5 mm. 



Metanotal areola not defined ; in the centre are 2 keels running from the base 

 to the apex; at their side, at the base, is an area which is obliquely narrowed on 

 the outerside from the apex to the base; beyond it are 2 arese, the apical shorter, 

 broader and somewhat triangular; the spiracular area defined. The apex of the 



TRANS. AM. ENT. SOC. XXX. (33) AUGUST. 1904. 



