168 HYMENOPTEKA. 



the sides keeled, the upper part with scattered punctures. Metathorax hollowed in 

 the middle, the slope somewhat abrupt ; lateral tubercles longish, acute ; areae denned, 

 the supramedian broader than long, and with a short field at its base. The base of 

 the metanotum shining, the sides punctured, the middle transversely striated. Petiole 

 smooth, shining ; postpetiole closely punctured. Gastrocceli shallow, broad, with some 

 large striations at the base. The third and the base of the fourth segments of the 

 abdomen closely punctured ; the others impunctate, shining. 



67. Ichneumon subsecivus. (Tab. vili. fig. 7.) 



Niger, nitidus ; linea pronoti, sterno, pleuris, apice scutelli maculisque 4 metanoti, flavis ; pedibus flavis, tarsis 

 posticis fulvis ; femoribus, tibiis anterioribus supra tibiisque posticis totis, nigris ; alia hyalinis, apice fere 

 fumatis, stigmate nigro. c? . 



Long. 13 millim. 



Hab. Guatemala, Cubilguitz in Vera Paz {Champion). 



Antenna? as long as the body. Head black ; the mandibles, clypeus, front, and orbits 

 broadly yellow; the front projecting a little, punctured; the apices of the mandibles 

 black. Thorax black ; a line on the edge of the pronotum, the prosternum, the tubercle 

 below the tegulae, a transverse mark below the front, and a perpendicular one below 

 the hind wings, the lower part of the pleurae and sternum, the tubercles in front of the 

 scutellum, and a mark in front of these, the apex of the scutellum, the postscutellum, 

 two marks at the base of the metanotum and two large ones at the apex extending from 

 the spines (which are yellow), and two large marks on the metapleurae, yellow. Meso- 

 notum shining, with scattered punctures. Scutellum more strongly punctured than 

 the mesonotum, broad, the sides projecting as strong keels above the surface. Meta- 

 thorax strongly, transversely punctured ; the apex rather abrupt and hollow in the 

 centre ; the spines large ; the areae mostly defined ; the supramedian area horseshoe- 

 shaped, shining, aciculate, and with a keel down its centre. Petiole and postpetiole 

 shining, impunctate. Gastrocceli small, shining. Second and third segments of the 

 abdomen longitudinally punctured, the third not so strongly; the other segments 

 impunctate ; the base of the petiole, the apex of the postpetiole and of all the other 

 segments, yellow. Legs yellow ; femora and tibiae lined with black ; the anterior tarsi 

 above, and the middle ones wholly, black ; the posterior tarsi fulvous ; a small black 

 mark on the middle coxae, and a large one on the posterior coxae joining the trochanters, 

 which are entirely black. Areolet 4-angled, triangular above. 



68. Ichneumon yucatanensis. (Tab. vili. fig. 8.) 



Niger ; sterno, maculis 2 mesonoti, apice scutelli maculisque metanoti flavis ; pedibus fulvo-flavis, femoribus 



tibiisque nigro-lineatis ; alis hyalinis, stigmate nigro. $'. 

 Long. 16 millim. 



Hob. Mexico, Valladolid in Yucatan (Gawmer). 



Antennae stout, involute ; the third joint not much longer than the fourth ; the 

 scape shining, minutely punctured. Head broad, yellow, the vertex and behind black ; 



