New species of Lepidoptera for mainland Portugal (Insecta: Lepidoptera)

Novas espécies de Lepidoptera para Portugal continental (Insecta: Lepidoptera)

Nuevas especies de Lepidoptera para Portugal continental (Insecta: Lepidoptera)

Introduction

This paper is the first of a possible series in which the authors summarise their recent records of new species to mainland Portugal, complementing the annual series “New and interesting Portuguese Lepidoptera records”, developed by Martin Corley et al. (CORLEY et al., 2016, 2018a, 2018b, 2019, 2020) and the Portuguese checklist (CORLEY, 2015).

Six species of six families are added to the Portuguese Lepidoptera fauna. All six are already known from Spain. The records obtained are the result of some of the authors’ fieldwork in 2019 and 2020.

Material and Methods

Most of the species were recorded at light traps. The data for each record, including the precise locality, date and altitude are given for each species entry. Unless otherwise stated, records were made by the three authors. Voucher specimens of the Microlepidoptera species have been retained in the collection of Martin Corley.

The larval stages were found by direct searches on respective hostplants and, after collection, larvae were reared on the plants on which they were found. Hostplants were identified by comparison with available illustrations from portal Flora-On, while all Lepidoptera species were identified by comparison with available illustrations or, if necessary, by dissection of genitalia. The identifications by the last method are stated.

The order and nomenclature of Lepidoptera families follows CORLEY (2015). The nomenclature of vascular plant and mosses follows the EURO+MED PLANTBASE and HILL et al. (2006), respectively. Bibliographic data about distribution and hostplants are also added to each species entry.

New Portuguese records

COLEOPHORIDAE

Coleophora anitella Baldizzone, 1985

Trás-os-Montes: Celas, Vinhais, 41º43’49.5” N 6º56’04.7” W, 08-V-2020, in coll. Corley (Fig. 1). Altitude: 703 m. One adult attracted to a light trap. Identification confirmed by dissection (Corley gen. prep. 5979 ♂). Present in Spain, southern France and Italy (BALDIZZONE, 2019). Hostplant unknown.

OECOPHORIDAE

Aplota palpellus (Haworth, 1828)

Minho: Cabana Maior, Arcos de Valdevez, 41º54’17.7” N 8º18’47.4” W, 18-VII-2020, in coll. Corley (Fig. 2). Altitude: 775 m. One adult (♀) attracted to a light trap. Present from Iberian Peninsula to Poland, including Italy, Britain and Scandinavian countries, and absent from southeastern Europe (DE JONG et al., 2014). Feed on mosses such as Hypnum cupressiforme Hedw., Homalothecium sericeum (Hedw.) Schimp. and Orthotrichum sp. on trunks, rocks or walls (LANGMAID et al., 2018; STERLING et al., 2012).

GELECHIIDAE

Anacampsis obscurella (Denis & Schiffermüller, 1775)

Trás-os-Montes: Caçarelhos, Vimioso, 41º33’03.5” N 6º27’22.9” W, 10-V-2020, leg. J. Nunes in coll. Corley (Fig. 3). Altitude: 745 m. Two larvae on Prunus spinosa L. leaves. Identification confirmed by dissection of one of the reared adults (Corley gen. prep. 5998 ♂). Present from Iberian Peninsula to Russia, but absent from British Isles, Mediterranean islands and Scandinavian countries (DE JONG et al., 2014). Already recorded feeding on Prunus sp. (ROBINSON et al., 2010).

PYRALIDAE

Apomyelois bistriatella (Hulst, 1887)

Minho: Fradelos, Vila Nova de Famalicão, 41º21’25.7” N 8º36’23.5” W, 16-VII-2020, leg. J. Nunes in coll. Corley (Fig. 4). Altitude: 32 m. Two adults attracted to a light trap. Identification confirmed by dissection of one specimen (Corley gen. prep. 5997 ♂). Present in North America, Russia and Europe but absent from most of the Mediterranean countries (DE JONG et al., 2014; ORTIZ et al., 2016). Recently recorded in Spain in Aragon and Basque Country from a collection revision (ORTIZ et al., 2016). Feeds on the fungus Daldinia sp. (ROBINSON et al., 2010; STERLING et al., 2012).

Note: Species recorded by the first author while carrying out an inventory and monitoring programme of nocturnal Lepidoptera in the Local Protected Landscape - Pateiras do Ave.

EREBIDAE

Eublemma amoena (Hübner, 1803)

Trás-os-Montes: Almendra, Vila Nova de Foz Côa, 40º58’41.5” N 7º03’15.2” W, 10-V-2019 (Fig. 5). Altitude: 498 m. Adult resting under leaf of Onopordum acanthium L. during the day. Present from Iberian Peninsula to Russia but absent from northern Europe (DE JONG et al., 2014). Onopordum acanthium L. is a known hostplant of this species.

Note: As mentioned in CORLEY (2015) (rejected species: 2177A), this species has two old records for Portugal in Vizela and Mindelo, both in Douro Litoral province. As no specimens could be found, the species was not included in the Portuguese checklist.

NOCTUIDAE

Xestia sexstrigata (Haworth, 1809)

Trás-os-Montes: Guadramil, Bragança, 41º55’13.2” N 6º34’27.2” W, 17-VIII-2019 (Fig. 6). Altitude: 714 m. Four adults attracted to a light trap. Present from Iberian Peninsula to Russia and to the north reaching southern areas of the Scandinavian countries; absent from southeastern Europe (DE JONG et al., 2014; RÁKOSY & RÁKOSY, 2020). In ROBINSON et al. (2010) and RÁKOSY & RÁKOSY (2020) this species is recorded as polyphagous, feeding on low growing herbs and grasses.

Note: As mentioned in CORLEY (2015) (rejected species: 2566A), this species has two old records for Portugal. One from Gaia, in Douro Litoral province, and another from Pinhão, in Trás-osMontes province. As two specimens found were Xestia xanthographa (Denis & Schiffermüller, 1775), the species was not included in the Portuguese checklist.

Acknowledgments

We are most grateful to Martin Corley for the identification confirmations by dissection and for all the knowledge shared.

BIBLIOGRAPHY

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ORTIZ, J. G., ULLASTRE, J. Y. & VILÀ, R. M., 2016.– Apomyelois bistriatella (Hulst, 1887), un nuevo pirálido para la fauna de la Península Ibérica (Lepidoptera: Pyralidae, Phycitinae).– Arquivos Entomolóxicos, 15: 107- 113.

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Notas de autor

*Autor para la correspondencia / Corresponding author joaomiguelfn@sapo.pt com