274 HYMENOPTEKA. 



Hab. Guatemala, El Tumbador 2500 feet (Champion). 



Finely and closely punctured all over, the abdomen more shining and less strongly 

 punctured than the thorax. Face with a projecting longish tubercle in the centre ; a 

 fine longitudinal keel leading down from the ocelli to near the base of the antennae ; 

 clypeus projecting, convex, clearly separated behind by a wide and deep furrow ; its 

 apex incised in the middle (but not broadly), the sides oblique. Behind the head is 

 black, except at the orbits ; the middle of the vertex to the antennae (prolonged as a 

 narrow stripe down the face to the clypeus) is also black ; tips of the mandibles black. 

 The prothorax broadly in front, the greater part of the mesopleurae and sternum, the 

 tubercles below the tegulae, a large mark on the metapleurae, two narrow lines on the 

 mesonotum, the scutellum, the postscutellum, and two large longish marks on the sides 

 of the metanotum, white. Base of the petiole broadly, its apex and the bases and 

 apices of the other segments more narrowly, white. Anterior legs white behind, the 

 femora lined with black above, the tibial and tarsi fuscous behind ; middle coxae white, 

 with a large black mark behind, the femora and tibiae black behind, white in front, the 

 tarsi almost entirely black ; hind coxae black, white at the apex and with a white mark 

 at the base behind, the femora entirely black, the tibiae black, the basal half white in 

 front and slightly so behind, the tarsi white, except at the base and apex. 



3. Lissonota erythropoda. 



Nigra ; annulo antennarum, ore, facie, orbitis, pleuris, tegulis, lineis 2 mesonoti, scutello postscutelloque, albis ; 



abdomine pedibusque rufis ; alis hyalinis, stigmate testaceo. $ . 

 Long. 12 millim. ; terebra 10 millim. 



Hab. Guatemala, Duefias (Champion). 



Very finely and closely punctured. Head whitish yellow, except behind (orbits 

 excepted) and the centre of the vertex ; structurally as in L. leucozona. Prothorax in 

 front, the mesopleurse (except at the sides and immediately beneath the wings), the 

 tegulae, the tubercles beneath them, the sternum, a large mark on the metapleura, two 

 narrow lines on the mesonotum, the scutellum, the postscutellum, the metanotum 

 laterally at the base and apex, and the abdominal segments narrowly at the apex, white. 

 Metanotum laterally reddish ; the transverse keel more distinct than in the other species 

 of the genus, and a little more sharply upturned in the middle. Four anterior coxae 

 more or less yellowish ; hind tarsi yellowish, black at the base and apex. 



4. Lissonota pulchra. 



Nigra; annulo antennarum,. facie, ore, orbitis, prosterno, mesosterno, tegulis, macula mesonoti, scutello, post- 

 scutello maculaque metanoti, albis ; pedibus runs, tarsis posticis nigris, medio lsete albis ; alis hyalinis, 

 stigmate griseo. 



Long. 10 millim. 



Hab. Mexico (Salle). 



Face finely punctured ; white, except a broad black line from the antennae to the base 



