-•>£ 



144 HYMENOPTEEA. 



nibus scutelli coxisque anterioribus flavis ; pedibus abdomineque rufis, petiolo supra nigro ; alls hyalinis,. 

 nervis nigris, stigmate fusco-testaeeo. $ . 3 sterno flavo. 

 Long. 18-21 millim. 



Hab. Guatemala, Purula {Champion) ; Panama, Volcan de Chiriqui 2000 to 3000 feet 

 (Champion). 



Smooth, shining, the face bearing some large shallow punctures ; metanotum rugose ; 

 the pleurae and metanotum densely covered with silvery pubescence; postpetiole 

 punctured ; abdomen aciculate, not so shining as the mesonotum. Head large, cheeks 

 well developed, eyes projecting, clypeal foveae large. The head is black only above 

 and behind the antennae, the orbits are yellow all round. Mandibles yellow, black at 

 the apex. The margin of the prothorax is broadly yellow ; the prosternum is also 

 yellow ; below the tegulse is the usually yellow tubercle ; the two spots on the meso- 

 notum are small ; the scutellum flat, bearing a few punctures, and lined with yellow, 

 except at the base. Areas on metanotum indistinct, without tubercles, the middle 

 behind excavated. Abdomen elongate, the apex acute; gastrocoeli shallow, finely 

 aciculate. Sheath of the ovipositor blackish. Antennae thickened towards the apex and 

 slightly flattened, semi-involute. Areolet 5-angled, broad above, the upper part not 

 much narrower than the lower. 



The antennae in the male are much longer and thinner than in the female, the basal 

 joints being much longer. 



This species is very closely allied to /. mexicanus, but is, I believe, distinct from it, 

 /. meocicanus having the " pectus and pleurae beneath " white in both sexes, and on the 

 mesonotum, instead of the two spots in the centre found in the present species, there is 

 a thin line at the side close to the tegulae. There is also in /. meocicanus a black spot 

 on the hind coxae, and the scape in the male has the basal joint beneath yellow ; but 

 two males of what I consider to be /. argentipilosis have these latter peculiarities. 



— 14. Ichneumon mexicanus. fU#i# UTfff w, * j 



Ichneumon mexicanus, Cresson, Trans. Amer. Ent. Soc. ii. p. 2; Prc$. fc.cad. Phil. 1873, p. 111. 3 1 . 

 l %r/ * Hab. Mexico, Cordova, Orizaba, Mirador \ 



In 



\v*' 15. Ichneumon suffultus. { l l%\i 1 H\ ^ U* V 



Niger ; facie, pleuris, linea pronoti, apice scutelli maeulisque 4 metanoti flaws ;* pedibus nigris, anterioribus 

 subtus flavis, femoribus tibiisque posticis subtus rufis ; abdomine rufo, basi nigro ; alis hyalinis, stigmate,. 

 eosta et nervis nigris. 3 . 



Long. 17 millim. 



Hab. Panama, Volcan de Chiriqui, 4000 to 6000 feet (Champion). 



Antennae black, the scape yellow beneath, nearly as long as the thorax and abdomen 

 together. Head broad ; vertex finely punctured ; front projecting, so that there is a 

 deep and broad depression on either side ; hollow above the antennae deep, smooth, 



