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Abstract We record for the first time the Darwin wasp species Photocryptus nigrosignatus (Kriechbaumer, 1901) parasitizing nests of the solitary wasp Sceliphron fistularium (Dahlbom, 1843) in the Amazonas state, Brazil, and provide new distribution records for them and S. asiaticum (Linnaeus, 1758), the other species registered to Brazil. Additionally, we also report the emergence of solitary wasp Pachodynerus nasidens Latreille, 1817 (Vespidae), and parasitoid wasps Leucospis sp. (Leucospidae) and Photocryptus sp. in S. fistularium nests.

Resumen Registramos por primera vez a la avispa de Darwin Photocryptus nigrosignatus (Kriechbaumer, 1901) parasitando nidos de la avispa solitaria Sceliphron fistularium (Dahlbom, 1843) en el estado de Amazonas, Brasil, y proporcionamos nuevos registros de distribución para ellas y S. asiaticum (Linnaeus, 1758), la otra especie registrada en Brasil. Adicionalmente, también reportamos la emergencia de la avispa solitaria Pachodynerus nasidens Latreille, 1817 (Vespidae), y las avispas parasitoides Leucospis sp. (Leucospidae) y Photocryptus sp. en nidos de S. fistularium.

Abstract: Despite being the largest and most remarkable species of Chalcidoidea, species of Leptofoeninae are very rarely collected. Here, we expand the distribution range extension of the Leptofoenus howardi (Ashmead, 1895) for Rondônia and Minas Gerais, Leptofoenus stephanoides (Roman, 1920) for Rondônia, Espírito Santo and São Paulo and Leptofoenus westwoodi (Ashmead, 1895) for Roraima, Amazonas, Rondônia, Bahia, Minas Gerais, Rio de Janeiro and Rio Grande do Sul.

Abstract: We report for the first time Aphanistes ruthae Alvarado, 2018 in Venezuela and Castrosion renei Gauld & Bradshaw, 1997 in South America (Venezuela and Brazil). Castrosion renei is associated with the amazon rainforest in the Amazonas and Maranhão, States of Brazil.

ABSTRACT New replacement names are proposed in Trathala Cameron, 1899 (Ichneumonidae: Cremastinae) and Enicospilus Stephens, 1835 (Ichneumonidae: Ophioninae) from the Neotropical Region.

Index code	Element
ti	article title
au	author
kw	article keywords
subject	subject (title words, abstract and keywords)
ab	abstract
ta	journal short title (e.g. Cad. Saúde Pública)
journal_title	journal full title (e.g. Cadernos de Saúde Pública)
la	publication language code (e.g. pt - Portuguese, es - Spanish)
type	document type
pid	publication identifier
publication_year	publication year of publication
sponsor	sponsor
aff_country	country code of the author's affiliation
aff_institution	author affiliation institution
volume	article volume
issue	article issue
elocation	elocation
doi	DOI number
issn	journal ISSN
in	SciELO colection code (e.g. scl - Brasil, col - Colômbia)
use_license	article usage license code

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