RECORD: Walker, F. 1843. Descriptions of Chalcidites discovered near Conception, in South America, by C. Darwin, Esq. Annals and Magazine of Natural History 11: 30-32.
REVISION HISTORY: Scanned by John van Wyhe, transcribed (single key) by AEL Data 6.2008. RN1
NOTE: See the record for this item in the Freeman Bibliographical Database by entering its Identifier here.
IX.—Descriptions of Chalcidites discovered near Conception, in South America, by C. Darwin, Esq. By FRANCIS WALKER, F.L.S.
Lamprotatus Alcander, Mas. Æneo-viridis cupreo et cyaneo varius, antennæ fulvæ, pedes fulvi, alæ limpidæ.
Corpus breve, robustum, convexum, æneo-viride, nitens, scitissime squameum, parce hirtum: caput transversum, breve, viride, thorace paullo latius; vertex latus, frons impressa, abrupte declivis: oculi rufi, mediocres, non extantes: antennæ fulvæ, subfiliformes, thorace non longiores; articulus 1us nigro-viridis, longus, gracilis; 2us longicyathiformis; 3us et 4us brevissimi; 5us et sequentes usque ad 10um breves, approximati, subæquales; clavalongiconica, compressa, acuminata, articulo 10° duplo longior: thorax ovatus, cupreo-æueus: prothorax brevissimus: mesothoracis scutum cyaneo-viride, longitudine latius; parapsidum suturæ bene determinatæ, postice approximatæ; scutellum subrotundum: paraptera et epimera magna: metathorax mediocris, obconicus, declivis: petiolus sat longus: abdomen breviovatum, cupreo-varium, supra planum, basi cyaneo-viride, thorace multo brevius; segmentum 1um magnum, 2um et sequentia brevia: pedes fulvi, simplices, subæquales; coxæ virides; tarsi apice fusci: alæ amplæ, limpidæ; squamulæ fuscæ; nervi fulvi; nervus humeralis ulnari fere duplo longior, radialis ulnari non brevior, cubitali multo longior; stigma minutum. (Corp. long. lin. 1; alar. lin. 2.)
Gastrancistrus Cephalon, Fem. Cupreus, antennæ nigræ, pedes lutei, femora basi nigra, alæ limpidæ.
Corpus cupreum, convexum, nitens, scitissime squameum, parce hirtum: caput transversum, breve, thorace latius: vertex latus; frons impressa, abrupte declivis: oculi rufi, mediocres, non extantes: antennæ subclavatæ, nigræ, sat graciles, submoniliformes, thorace non longiores; articulus 1us longus, sublinearis; 2us cyathiformis; 3us et 4us minimi; 5us et sequentes usque ad 10um breves, approximati, subæquales; clava longiconica, acuminata, articulo 10° plus duplo longior: thorax ovatus: prothorax transversus, mediocris, antice angustus: mesothoracis scutum longitudine latius; parapsidum suturæ bene determinatæ, postice approximatæ; scutellum subconicum: metathorax brevis, postice angustus: petiolus brevissimus: abdomen ova-
planum, subtus carinatum, apice acuminatum, thorace pedes lutei, simplices, subæquales; coxæ virides; femora basi fusci: alæ limpidæ; squamulæ piceæ; nervi fulvi; ner multo longior, radialis ulnari paullo brevior, cubitali minutum. (Corp. long. lin. ¾; alar. lin. 1¼.)
Calenus, Mas. Æneo-viridis, abdomen cupreum, antennaæ pedes fulvi, femora viridia, alæ limpidæ.
æneo-viride, nitens, scitissime squameum, parce hirtum: breve, thorace latius; vertex latus; frons impressa. oculi rufi, mediocres, non extantes: antennæ nigræ, subcla longiores; articulus 1us longus, gracilis, 2us longicyathi 3us et 4us minimi; 5us sequentes ad 10um subæquales; clava articulo 10° multo longior: thorax ovatus: prothorax transversus, mesothoracis scutum longitudine latius; parapsidum suturæ scutellum subconicum: paraptera magna; metathorax brevi declivis: petiolus brevissimus: abdomen cupreum, sublineare, læve, fere glabrum, thorace multo angustius et paullo brevius: simplices, subæquales; coxæ virides; femora viridia, apice fulva; fusci; mesotibiæ fuscæ; metatibiæ piceo-cinctæ: alæ limpidæ; piceæ; nervi fusci; nervus humeralis ulnari duplo longior, radia non brevior, cubitali paullo longior; stigma minutum. (Corp. long. alar. lin. 1¾.)
Alcetas, Mas. Viridis, antennæ nigræ, pedes flavi, alæ fulvo .
Corpus breve, convexum, viride, nitens, subtilissime squameum, parce caput transversum, breve, thorace vix latius: vertex latus; frons impressa, abrupte declivis; oculi rufi, mediocres, non extantes: antennæ graciles, submoniliformes, nigræ, apice acuminatæ, thorace non longiores; articulus 1us longus, sublinearis; 2us et sequentes usque ad clavam breves: thorax ovatus, cupreo-varius: prothorax brevissimus, supra non conspicuus: mesothoracis scutum longitudine latius; parapsidum suturæ bene determinatæ, postice approximatæ: scutellum obconicum: metathorax magnus, declivis, obconicus: petiolus sat longus: abdomen breviovatum, læve, fere planum, thorace multo brevius: pedes pallide flavi, graciles, subæquales; coxæ virides; ungues et pulvilli fusci: alæ fulvo-tinctæ, latæ; squamulæ piceæ; nervi flavi; nervus ulnaris humerali multo longior, radialis vix ullus, cubitalis brevissimus. (Corp. long. lin. 2/3; alar. lin. 1¼.)
Closterocerus Cercius, Fem. Viridis, abdominis discus purpureus, antennæ nigræ, pedes nigri, tarsi flavi, alæ fusco-nebulosæ.
Corpus sublineare, fere planum, læte viride, nitens, scitissime squameum, parce hirtum: caput transversum, brevissimum, impressum, thorace non latius; frons abrupte declivis: oculi rufi, mediocres, non extantes: antennæ nigræ, graciles, submoniliformes, apice acuminatæ, thorace paullo breviores; articulus 1us longus, sublinearis; 2us sequentes usque ad clavam breves, subæquales: thorax ovatus: prothorax brevissimus, supra non conspicuus: mesothoracis scutum longitudine latius; parapsidum suturæ non bene determinatæ; scutellum æneo-viride, obconicum: metathorax brevis, postice angustus: petiolus brevissimus: abdomen ovatum, subtus carinatum, thorace brevius, non latius; discus purpureus: pedes nigri, simplices, subæquales; coxæ virides; genua fulva; tibiæ apice flavæ; tarsi flavi, apice fusci: alæ sublimpidæ, ciliatæ, fusco obsolete nebulosæ; squamulæ piceæ; nervi fulvi; nervus ulnaris humerali multo longior, radialis vix ullus, cubitalis brevissimus, in alæ discum abrupte declivis; stigma minutum. (Corp. long. lin. ¾; alar. lin. 1¼.)
Bellerus (N.G.) Anaitis (Haliday MSS.), Mas. Viridis, antennæ nigræ, pedes virides, tarsi fusci, alæ subfuscæ.
Corpus gracile, sublineare, convexum, viride, nitens, scitissime squameum, parce hirtum: caput transversum, brevissimum, thorace vix latius; vertex sat latus; frons impressa, abrupte declivis: uli rufi, mediocres, non extantes: antennæ 12-articulatæ?, graciles, iliformes, nodosæ, verticillatopilosæ, corpore paullo breviores; articulus 1us longus, sublinearis; us brevis; 3us et sequentesusque ad 9um verticillo setarum ornati; 5us et sequentium quisque ad 9um gracillimi, lineares, apice ubi setæ insident in clavam globosam latescentes; clava triarticulata, fusiformis, acuminata: thorax longiovatus: prothorax transversus, sat magnus, antice angustus: mesothoracis scutum longitudine latius; parapsidum suturæ optime determinatæ, postice approximatæ; paraptera et epimera magna; scutellum subovatum: metathorax mediocris, obconicus, declivis: petiolus brevissimus: abdomen sublineare, planum, læve, thorace angustius et multo brevius: abdomen sublineare, planum, læve, thorace angustius et multo brevius: pedes virides, simplices, subæquales; trochanteres picei; genua fusca; tarsi 4-articulati, fusci; ungues et pulvilli minuti; protarsi basi flavi; alæ subfuscæ; squamulæ piceæ; nervi fusci; nervus ulnaris humerali multo longior, radialis humerali paullo brevior, cubitali plus duplo longior; stigma minutum. (Corp. long. lin. ¾; alar. lin. 1 1/3.)
Tetrastichus Naucles, Fem. Ater, abdomen nigro-æneum, antennæ piceæ, pedes fulvi, femora nigra, metatibiæ fusco-cinctæ, alæ sublimpidæ.
Corpus validum, convexum, atrum, nitens, læve, parce hirtum: caput transversum, brevissimum, thoracis latitudine; vertex sat latus; frons impressa, abrupte declivis: oculirufi, mediocres, non extantes: antennæ piceæ, subclavatæ, thorace vix longiores: thorax ovatus: prothorax brevissimus, supra vix conspicuus: mesothoracis scutum magnum, longitudine non latius; parapsidum suturæ bene determinatæ, remotæ, postice approximatæ; scutellum bisulcatum, semicirculum fingens: metathorax brevis, transversus, declivis: petiolus brevissimus: abdomen ovatum, nigro-æneum, supra planum, subtus carinatum, apice acuminatum, thorace paullo longius: pedes fulvi, simplices, subæquales; coxæ nigræ; femora nigra, apice fulva; tarsi apice fusci; metatibiæ fusco-cinctæ: alæ sublimpidæ, pubescentes; squamulæ piceæ; nervi fusci; nervus ulnaris humerali fere duplo longior, radialis nullus, cubitalis sat longus; stigma minutum. (Corp. long. lin. 1; alar. lin. 1½.)
Tetrastichus Norax, Fem. Ater, antennæ piceæ, pedes flavi, femora nigra, alæ limpidæ.
Præcedente gracilior. Corpus sublineare, convexum, atrum, nitens, læve, parce hirtum: caput transversum, brevissimum, thoracis latitudine; vertex sat latus; frons impressa, abrupte declivis: oculi rufi, mediocres, non extantes: antennæ piceæ, subclavatæ, thorace non longiores; articulus 1us niger: thorax ovatus: prothorax brevissimus, supra vix conspicuus: mesothoracis scutum longitudine non latius; parapsidum suturæ remotæ, bene determinatæ, postice approximatæ; scutellum bisulcatum, semicirculum fingens: metathorax brevis, declivis: petiolus brevissimus: abdomen ovatum, supra planum, subtus carinatum, apice acuminatum, thorace non longius: pedes flavi, simplices, subæquales; coxæ nigræ; femora nigra, apice flava; tarsi apice fusci: alæ limpidæ; squamulæ piceæ; nervi fulvi; nervus ulnaris humerali duplo longior, radialis nullus, cubitalis sat longus; stigma minutum. (Corp. long. lin. ¾; alar. lin. 1¼.)
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
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