Revue d'Hyménoptérologie

Journal of Hymenopterology

ISSN 2727-3806

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ARTICLE

VOLUME 13

ENGLISH
ANGLAIS

A new case of gynandromorphism in the parasitic bee Nomada lathburiana (Hymenoptera: Apoidea: Apidae)

Frédéric Carion, William Fiordaliso, Clément Tourbez, Paolo Rosa, Denis Michez, Guillaume Ghisbain

PDF

Citation
Carion, F., W. Fiordaliso, C. Tourbez, P. Rosa, D. Michez & G. Ghisbain (2025). A new case of gynandromorphism in the parasitic bee Nomada lathburiana (Hymenoptera: Apoidea, Apidae). Osmia, 13: 61–68. https://doi.org/10.47446/OSMIA13.3
Received 30 August 2024 - Accepted 26 August 2025 - Published (online) 30 August 2025

Indexation • Archivage - Archiving

• DOI: https://doi.org/10.47446/OSMIA13.3
• Zoobank (ICZN): https://zoobank.org/84471A21-FE06-4004-A31E-C0CF44BABE42
• HAL (CNRS-INRAE): https://zenodo.org/records/17009012
• Zenodo (CERN): https://hal.science/hal-05231518

Abstract
Gynandromorphy is a case of teratological aberration in which a specimen displays both male and female morphological characters. Gynandromorphs can constitute a powerful source of information for pairing sexes and studying the developmental mechanisms underlying sexually dimorphic traits. In this paper, a second case of gynandromorphy is unveiled in a specimen of Nomada lathburiana found in Tournai (Belgium). The studied specimen, classified as a mosaic gynandromorph, displays a largely asymmetric mix of male and female features only on the head. Further research in entomological collections should reveal other cases of teratological aberrations like the one reported here. Such cases offer valuable insights into the broader understanding of gynandromorphy.

Keywords
Bee, development, gynander, nomad bee, ontology, teratology

Titre (traduction)
Un nouveau cas de gynandromorphisme chez l’abeille parasite Nomada lathburiana (Hymenoptera : Apoidea : Apidae)

Résumé
La gynandromorphie est un cas d’aberration tératologique dans lequel un spécimen présente à la fois des caractères morphologiques mâles et femelles. Les gynandromorphes peuvent constituer une source d’information intéressante pour étudier l’association des sexes et les mécanismes de développement qui sous-tendent les caractères sexuellement dimorphiques. Dans cet article, un deuxième cas de gynandromorphie est découvert sur un spécimen de Nomada lathburiana trouvé à Tournai (Belgique). Le spécimen étudié, classé comme un gynandromorphe « mosaïque », présente uniquement sur la tête un mélange largement asymétrique de traits mâles et femelles. Des recherches plus poussées dans les collections entomologiques devraient révéler d’autres cas d’aberrations tératologiques comme celui rapporté ici. Ces cas offrent des indications précieuses pour une meilleure compréhension de la gynandromorphie.

Mots-clefs
Abeille, développement, gynandromorphe, abeille nomade, ontologie, tératologie

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