Descriptions of Chalcidites discovered in Valdavia by C. Darwin Esq

Mr. Walker's descriptions o/Chalcidites/rom Valdivia. 27 1 XXXIX. — Descriptions of Chalcidites discovered in Valdivia by C. Darwin, Esq. By Francis Walker, F.L.S. Pachylarthrus Sariaster, Mas. Viridis, antenna lutece, pedes flavi, alee limpidcE. — Fern. Cupreus, antennae nigra, pedes fulvi, femora viridia. Mas. Corpus crassum, convexum, nitens, viride cupreo-varium, scite squa-meum, parce pubescens : caput magnum, transversum, breve, viride, thorace latius; vertex latus, cupreo-varius ; frons impressa, abrupte declivis : oculi rufi, mediocres, non extantes: os flavum ; palpi maxillares clavati; antennas luteae, graciles, subfiliformes,13-articulatae, thorace paullo longiores; articulus l«s longus, gracilis ; 2 US longicyatbiformis ; 3 US et 4 US minimi ; 5 US et sequentes usque ad 10 um mediocres, subaequales ; clava longiconica, acuminata, arti-culo 10° fere duplo longior : thorax ovatus, robustus : prothorax transversus, brevis, antice angustus: mesothoracis scutum longitudine latius; parapsi-dum suturae bene determinatae, postice approximates ; paraptera et epimera magna; scutellum subconicum, sat magnum: metathorax mediocris, obco-nicus, declivis r petiolus sat longus : abdomen rhombiforme, contractum, laeve, glabrum, latitudine non longius, thoracis dimidii longitudine ; seg-mentum l um maximum, dorsum obtegens: pedes flavi, simplices, subasquales; coxae virides ; ungues et pulvilli fusci : alae limpidae; squamulae luteae; nervi fulvi; nervus humeralis ulnari multo longior, radialis ulnari vix brevior, cu-bitali duplo longior ; stigma minutum. Fern. Cupreus, parum nitens : caput thorace vix latius : palpi maxillares simplices : antennae nigrae, subfiliformes, thorace non longiores ; articulus 2** cyathiformis ; 5 US et sequentes usque ad 10" m subaequales, approximati ; clava conica, articulo 10° longior : petiolus brevis : abdomen ovatum, supra fere planum, subtus carinatum, apice acuminatum et attenuatum, thorace vix longius; segmentum l um magnum, 2 um et sequentia brevia: pedes fulvi; coxae virides ; femora viridia, apice fulva. (Corp. long. lin. 1 — 1-^; alar, lin. If— 2*.) Dicyclus Lynastes, Fem. Viridi-ceneus, antennce nigra, pedes fulvi, fe-mora cenea, alee limpidce. Corpus breve, convexum, viridi-aeneum, nitens, scitissime squameum, parce hirtum : caput transversum, breve, thorace paullo latius; vertex latus; frons impressa, abrupte declivis : oculi rufi, mediocres, non extantes : an-tennae nigrae, graciles, subclavatae, thorace vix longiores ; articulus l us lon gus ; 2 US cyathiformis ; 3" 9 et 4 U8 minimi ; 5 US et sequentes usque ad 10 um sub-aequales, approximati ; clava conica, compressa, acuminata, articulo 1 0° multo longior : thorax ovatus : prothorax transversus, brevis, antice angus-tus : mesothoracis scutum longitudine latius, parapsidum suturae remotae, sat bene determinatae, postice approximatae ; paraptera et epimera magna ; scutellum subconicum, mediocre : metathorax brevi-obconicus, declivis : pe-tiolus brevis : abdomen subrotundum, supra fere planum, subtus carinatum, apice acuminatum, tliorace brevius ; segmentum l" m magnum : pedes fulvi, simplices, subaequales ; coxae aeneae ; femora senea, apice fulva ; tarsi apice fusci : alae limpidae ; squamulae piceae ; nervi fulvi ; nervus humeralis ulnari multo longior, radialis ulnari vix brevior, cubitali longior ; stigma minutum. (Corp. long. lin. -| ; alar. lin. 1-J-.) Lamprotatus Natta, Mas. Viridi-cyaneus, antennce nigra, pedes flavi, alee limpidce. Corpus angustum, sublineare, convexum, viridi-cyaneum, nitens, scitis-sime squameum, parce hirtum : caput transversum, breve, viride, thorace latius; vertex latus, aeneo-varius ; frons impressa, abrupte declivis : oculi rufi,

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Descriptions of Chalcidites discovered in Valdavia by C. Darwin Esq

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