316 Capt. P. P. K1ne’s South American Hymenoptera. 
Descriptions, &c. of the 
HYMENOPTERA. 
By A. H. Hauipay, Esq. 
*1. ICHNEUMON XANTHORRHZEUS, N. S$. 
Abdominis cingulo pedibusque rufis, segmento septimo et ventre toto fulvis. Mas. 
Long. corp. 44 lin. Alar. 74 lin. | 
Mas. Niger. Clypeus et mandibule rufze, hæ apice fuscze. Palpi fulvi. An- 
tennc filiformes, graciles, longitudine corporis, articulis 34 oblongis. Tho- 
rar immaculatus. JMetathorax areolatus, denticulo minutissimo utrinque 
instructus. Pedes rufi, posticorum tibize apice tarsique fusci; eorundem 
trochanteres, omnium veró coxe nigri. 4c hyaline, nervis et stigmate 
ferrugineo-fuscis. Abdomen lineare, planum ; ventre anoque fulvis, puncto 
apicali segmenti primi et fascia, secundi apicem et tertii basin oecupante, 
rufis. 
In exemplari altero color rufus fusior per medium segmenti secundi ascen- 
dens cum puncto apicali primi conjungitur; huic etiam adest punctum 
rufum supra clypeum in medio faciei. 
The depressed and oblong abdomen gives a peculiar character to this spe- 
cies, and may indicate a type of form different from any European groups: 
but until the female is known, it will be difficult to say anything certain on 
this head. 
2. ICHNEUMON PLEBEIUS, 7. $. 
Abdomine rufo, segmento primo nigro ; femoribus, tibiis et tarsis fulvis; alis 
flavescentibus. Mas. 
Long. corp. 64 lin. Alar. 12 lin. 
Mas. Niger, pubescens, punctulatissimus. Mandibule apice rufescentes. An- 
tennee corpore breviores, crassiuscule, setaceze. Thorax immaculatus. 
Pedes fulvi seu crocei, coxis et trochanteribus nigris. dla flavescenti- 
hyalinæ, stigmate nervisque nigris. Abdomen rufum, segmento primo 
nigro, ultimis dorsi subfuscis. 
Port Famine, Straits of Magellan. 
* Those species with the asterisk attached are in the cabinet of Mr. Curtis. 
