19 i [Fcbniary, DESCEIPTIONS OF TWO NEW BRITISH ICHNEUM0NIB2E. BY THE EEV. T. A. MARSHALL, M.A., F.L.S. Mr. Cameron has requested me to describe the following insects, which I some time ago returned to him as new species. LiMXEKIA CROCEIPES, n. SJ). Zi. parum nitida, alutacea, suhtiUter sericea, nigra ; antennarum scapo stihhis rnfescente ; ore, mandihulis, palpis, alarum radice, squamulis jjcdibusque Icete Jlavis ; coxl.i anterioribus hasi rufescentibus, femorilus anterioribiis fulvo tinctia ; coxis femoribusqve posticis nigris ; tibiis posHcis apice fusco-rujis ; alls stih-hyalinis, st'ig-mate et nervisfuscis, his basin versus Jlavidis ; terebra breviter exserta. $ . Long. 2 J lin. Caput transversum, pone oculos angustatum. Oculi jxixta antenna-rum insertionem levissime tantum emarginati. Antenoice apice mutilatce. Thorax capite anguslior, sat robusfus, laterihus parce alhido-sericeus, alutaceus ; metathorace ruguloso^ medio haud excavato, areis duahus su-perioribus lateralibus tantum distinctis. Abdomen apice i?iodice com-pressum, segmento V'^° p>^^^'''^''-posticorum coxis cum trochunteribus longi-tudine su,bcequali ; postpetiolo transverso, parum convexo ; segmento 2''" Jiaud longiore quam lufiore, r/astrocoelis pellucidis ; terebra sursuin cur-vata, testacea, abdomine haud altiore. AJce areola nulla ; nervo radiali externa recto ; transverso anali haud fracto. Z^nguiculi non pectinati. From Cadder Wilderness. It belongs to Holmgren's Sec. II, Div. 1, Sub-div. 2. As this gi'oup is of veiy limited extent, and immediately recognisable by the want of the areolet, there is little difficulty in determining this species to be new. Bassus pekonatus, n. sp. S. nitidtdus, punviidahis, metatJioracis area superomedia elerafa, acute margi-nata ; abdominis segmento 1'"" laio, antice depresso, parum angusiaio,carinulis 2}(iuIo ultra medium extensis ; alarum nervo transverso anali longe infra medium fracto ; niger, alarum squamulis alb id is ; pectore pedibusque fulvo-rufis ; femoribus posticis fuscis; tibiis posticis {basi exetnpta), tarsisque posticis, nigris; scutello testaceo, fusco trimaculato. ? . Long. 2 J lin. Caput transversum, thorace latius ; fades deplanata, canalicula media nulla, tota nigra. AntenncB corpori longitudine cequales, nigro--fuscce, subtus testacece. Thorax nitidus, angustior quam apiid B. peeto-ratorium ; scutdhim elevatum, testaceum, elevatione media maculisque duabus latrruUbus elongatis fuscis ; pleurce nigrcE ; metathorax rugosus, urcis circitcr quatuor distinctis. Abdomen cnpite cum thorace haud
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