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Hindawi, Psyche, 1(2024), 2024

DOI: 10.1155/2024/5251286

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Fine Morphological Study of the Myrmecina graminicola (Latreille, 1802) Male, With First Description of External Genitalia in the Genus (Hymenoptera: Formicidae: Myrmecinae)

Journal article published in 2024 by Stefano Cantone ORCID, Alessandra Riccieri ORCID, Andrea Di Giulio ORCID
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

The genus Myrmecina was described basing on males of M. graminicola. Though representing the caste type, males were sufficiently described in only two out of 105 species known in the genus. However, the morphology of the male external genitalia remained undescribed. Re‐examining by SEM the male of M. graminicola, we describe and illustrate in detail for the first time the external genitalia, redefining and updating the morphological male diagnosis of the genus. We also analyze the overall morphology, illustrating additional peculiar characters of this species as follows: (i) a very distinctive stipital groove in the dorsolateral stipes; (ii) a developed uncinate‐shaped mesoscutellar arm; (iii) the antennal cleaning; and (iv) the absence of meso‐ and metatibial spurs. This morphological study will be useful as a base for further morphological descriptions of the males in other species of the same genus to support correct taxonomic identifications.