New faunistic data on Palaearctic species of the tribes Mecinini and Tychiini (Coleoptera: Curculionidae, Curculioninae)

Caldara, Roberto; Podlussány, Attila

doi:10.17112/foliaenthung.2018.79.51

Cited by 5 publications

(15 citation statements)

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“…Based on this analysis, seven species groups and two "complexes" of species were recognised. Moreover, a phylogenetic study on the tribe Mecinini, based on morphological characters, suggests that Mecinus is the sister group of the remaining Mecinini like Gymnetron Schoenherr, 1825 and Rhinusa Stephens, 1829 (Caldara 2001). Preliminary molecular studies seem to confirm the systematic separation of these genera (I.…”

Section: Introductionmentioning

confidence: 95%

“…One thing seems clear: all the larvae of Mecinus species with elongated bodies develop along stems or, as in M. comosus, along spikes. It is worth noting that the genus Mecinus was created for these elongated species and that the other species with short bodies were described and considered Gymnetron for many years, until Caldara (2001) transferred them from Gymnetron to Mecinus on the basis of several synapomorphies in the male genitalia. It is also noteworthy that it was very simple to identify the species of Mecinus as they were formerly defined, since there are very few Curculioninae with similar elongate bodies.…”

Section: Biological and Evolutionary Considerationsmentioning

confidence: 99%

“…All known Mecinus species live on angiosperms belonging to the tribes Plantagineae and Antirrhineae of the family Plantaginaceae as recently defined (Olmstead et al 2001;Albach et al 2005;APG 2016). The larvae develop inside the ovaries, stems, or roots of the host plants and are sometimes able to induce the formation of galls (Hoffmann 1958;Caldara 2001;Toševski et al 2011). Several species of the genus have been the subject of detailed ecological studies (De Clerck-Floate and Harris 2002;De Clerck-Floate and Miller 2002;McClay and De Clerck-Floate 2002;Sing et al 2005;Toševski et al 2011) as potential biological control agents for some species of toadflax (Linaria spp.)…”

Section: Introductionmentioning

confidence: 99%

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Immature stages of Palearctic Mecinus species (Coleoptera, Curculionidae, Curculioninae): morphological characters diagnostic at genus and species levels

Gosik

Skuhrovec

Caldara

et al. 2020

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The immature stages of ten Mecinus species are described for the first time and those of two other species are redescribed, adding important chaetotaxy characters that were missing from previous descriptions. These species belong to six of the nine assemblages of Mecinus species previously established according to a phylogenetic analysis. All these groupings are confirmed on the basis of several characters of mature larvae and pupae. Moreover, all the species show several characters that are useful for distinguishing them from each other, including cryptic species that previously had few differential characters. Some characters that may be useful for separating Mecinus from other genera in the tribe are suggested. To confirm the taxonomic identification of some larvae, the mtCOII gene was obtained and compared with sequences from identified adult specimens. The most important characters for separating the immature stages of the genera and species groups in Mecinus are the number of palpomeres of the labial palpi (1 or 2), the number of air tubes of the thoracic and abdominal spiracles (unicameral or bicameral), and the number of epipharyngeal setae. The species studied herein were compared with those known from other genera in the tribe Mecinini. Two keys, one to the described larvae and the other to the pupae, are provided. Detailed biological data, several of which are new, on some species are reported.

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Section: Introductionmentioning

confidence: 95%

Section: Biological and Evolutionary Considerationsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Immature stages of Palearctic Mecinus species (Coleoptera, Curculionidae, Curculioninae): morphological characters diagnostic at genus and species levels

Gosik

Skuhrovec

Caldara

et al. 2020

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“…The Mecinini is a tribe of the subfamily Curculioninae (Curculionidae) and comprises six genera: Cleopomiarus Pierce, 1919, Gymnetron Schoenherr, 1825, Mecinus Germar, 1821, Miarus Schoenherr, 1826, Rhinumiarus Caldara, 2001 and Rhinusa Stephens, 1829 (Caldara 2001; Caldara et al 2014; Alonso-Zarazaga et al 2017). Whereas Rhinumiarus is only found in South America, the other five genera are largely distributed in the Palaearctic region.…”

Section: Introductionmentioning

confidence: 99%

Morphological characters of immature stages of Palaearctic species of Cleopomiarus and Miarus and their systematic value in Mecinini (Coleoptera, Curculionidae, Curculioninae)

Skuhrovec

Gosik

Caldara

et al. 2018

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The relationship between the genera Cleopomiarus and Miarus of Mecinini (Curculionidae, Curculioninae) was tested on the basis of morphological characters from the immature stages. The mature larvae of five Cleopomiarus species (C.distinctus (Boheman, 1845), C.graminis (Gyllenhal, 1813), C.longirostris (Gyllenhal, 1838), C.medius (Desbrochers des Loges, 1893), and C.meridionalis (H. Brisout de Barneville, 1863)), three Miarus species (M.abnormis Solari, 1947, M.ajugae (Herbst, 1795), and M.campanulae (Linnaeus, 1767)), and the pupae of four Cleopomiarus species (C.distinctus, C.graminis, C.longirostris, and C.medius) and two Miarus species (M.abnormis and M.ajugae) are described in detail for the first time. To confirm the taxonomic identification of some larvae, DNA COI barcode was obtained and compared with those of adults. The immature stages of the species herein studied were compared with those known from other genera in tribe Mecinini. It is suggested that Miarus and Cleopomiarus may be monophyletic based on several shared distinctive characters. Larvae of Miarus have a characteristic maxillary mala with six finger-like dms of two sizes (one or two dms very long and the rest of medium length), this feature being apparently unique among weevils. Other genus-specific character states are observed in the pupae, such as the length of setae on the head, rostrum and pronotum, including the number of rs on the rostrum, ds on pronotum, and finally the shape of the urogomphi. A key to the described larvae and pupae were respectively presented. New biological and distributional data on some species are reported.

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“…The taxon Rhinusa attained the rank of the genus based on the classification made by Caldara (2001). It belongs to the tribe Mecinini and includes 40 species around the world (Caldara et al 2014).…”

Section: Introductionmentioning

confidence: 99%

The morphology of the preimaginal stages of Rhinusa neta (Germar, 1821) and notes on its biology (Coleoptera, Curculionidae, Mecinini)

Ścibior¹,

Łetowski²

2018

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A detailed description of the mature larva and pupa of Rhinusaneta (Germar, 1821) and new diagnostic features of this species are presented. The development cycle of R.neta in the standard conditions lasts almost 60 days: an 11-day egg period, a 29-day larval period, and an 18-day pupal period, on average. The larvae are parasitised by hymenopterans of the superfamily Chalcidoidea. Similarities and differences with Rhinusabipustulata and other species of this genus are presented.

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New faunistic data on Palaearctic species of the tribes Mecinini and Tychiini (Coleoptera: Curculionidae, Curculioninae)

Cited by 5 publications

References 1 publication

Immature stages of Palearctic Mecinus species (Coleoptera, Curculionidae, Curculioninae): morphological characters diagnostic at genus and species levels

Immature stages of Palearctic Mecinus species (Coleoptera, Curculionidae, Curculioninae): morphological characters diagnostic at genus and species levels

Morphological characters of immature stages of Palaearctic species of Cleopomiarus and Miarus and their systematic value in Mecinini (Coleoptera, Curculionidae, Curculioninae)

The morphology of the preimaginal stages of Rhinusa neta (Germar, 1821) and notes on its biology (Coleoptera, Curculionidae, Mecinini)

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