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The position of the Azeliinae in the Muscidae (Diptera) based on musculature of the male terminalia.

ABSTRACT: The male genital and pregenital skeleton and musculature were studied in males of the following species of the Muscidae subfamily Azeliinae: Drymeia firthiana (Huckett, 1965), Drymeia longiseta Sorokina & Pont, 2015, Drymeia segnis (Holmgren, 1883), Thricops nigritellus (Zetterstedt, 1838), Thricops hirtulus (Zetterstedt, 1838), Hydrotaea dentipes (Fabricius, 1805), Muscina stabulans (Fallén, 1817), and Muscina levida (Harris, 1780). Descriptions and figures of the genital sclerites and muscles of D. firthiana and M. stabulans are given. A comparison was made between the genital segments and muscles of previously studied species of Mydaeinae and Muscinae and those of the Azeliinae. Based on the structure of the skeleton and muscles of syntergosternite VII + VIII and the phallapodeme muscles, significant differences were found between the subfamily Azeliinae and the subfamilies Mydaeinae and Muscinae. The basal position of the Azeliinae within the family Muscidae was confirmed. A comparison of the genital segments and muscles of the Muscidae with those of the Scathophagidae (Scathophaga stercoraria (Linnaeus, 1758)) and Anthomyiidae (Delia platura (Meigen, 1826)) was made. Tendencies in reduction of the pregenital segments and musculature, as well as of the phallapodeme muscles in the evolution of the Muscoidea have been revealed. The complete set of phallapodeme muscles in the Scathophagidae and Anthomyiidae corresponds to the basal state, and therefore the structure of the genital sclerites and muscles in the Muscidae shows a certain degree of reduction. The progressive changes in the Muscidae from the Azeliinae through the Mydaeinae to the Muscinae were traced.

SUBMITTER: Sorokina VS

PROVIDER: S-EPMC7572540 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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The position of the Azeliinae in the Muscidae (Diptera) based on musculature of the male terminalia.

Sorokina Vera S VS Ovtshinnikova Olga G OG

ZooKeys 20201012

The male genital and pregenital skeleton and musculature were studied in males of the following species of the Muscidae subfamily Azeliinae: Drymeia firthiana (Huckett, 1965), Drymeia longiseta Sorokina & Pont, 2015, Drymeia segnis (Holmgren, 1883), Thricops nigritellus (Zetterstedt, 1838), Thricops hirtulus (Zetterstedt, 1838), Hydrotaea dentipes (Fabricius, 1805), Muscina stabulans (Fallén, 1817), and Muscina levida (Harris, 1780). Descri ...[more]

PMID: 33117066

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Project description:In the present paper the Oriental species of the genus Lichtwardtia Enderlein, 1912 are revised based on the type material of known species and new material from Singapore and Cambodia. A re-description and illustration of the holotype female of Lichtwardtiaziczac (Wiedemann, 1824) is given but since it has been described on the basis of a female only and its provenance India Orientalis is only a vague indication of its type locality, it is considered as a nomen dubium. All the species put as junior synonyms by Becker (1922) of L.ziczac are re-established to their original status with diagnosis: Lichtwardtiapolychroma (Loew, 1864) and Lichtwardtiaformosana Enderlein, 1912. However, L.coxalis is now also considered as a nomen dubium since the original description is too short to distinguish it from other species and the holotype female is lost. In addition a re-description and illustrations of L.hirsutiseta (de Meijere, 1916) are provided. Eight new species for science are described and illustrated: Lichtwardtiacambodiensis Tang & Grootaert, sp. n. (Cambodia), Lichtwardtiaconspicabilis Tang & Grootaert, sp. n. (Cambodia), Lichtwardtiainfuscata Tang & Grootaert, sp. n. (Cambodia), Lichtwardtiamonstruosa Tang & Grootaert, sp. n. (Cambodia), Lichtwardtianodulata Grootaert & Tang, sp. n. (Singapore), Lichtwardtiasemakau Grootaert & Tang, sp. n. (Singapore) and Lichtwardtiasingaporensis Grootaert & Tang, sp. n. (Singapore). Lichtwardtiazhangae Tang & Grootaert, sp. n. (Bali, Indonesia) is a new name for the species described by Zhang, Masunaga & Yang, 2009, as Lichtwardtiaziczac (Wiedemann, 1824). There are only a few good diagnostic non-genitalic characters for the species, but the male terminalia are distinctive, from simple to very complicated and armed structures. A key is given to the species of the Oriental region. Barcodes are provided for the Singaporean species. Although Lichtwardtia is a common genus in Southeast Asia it is generally not abundant locally. It is often found in anthropogenic disturbed habitats only. Four species are recorded from Singapore while eight species are sympatric and very abundant at the locality of Siem Reap in Cambodia.

Dataset Information

The position of the Azeliinae in the Muscidae (Diptera) based on musculature of the male terminalia.

Publications

The position of the Azeliinae in the Muscidae (Diptera) based on musculature of the male terminalia.

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