Parathalassius blasigii Mik

Cumming, Jeffrey M., 2017, Revision of the Nearctic Parathalassius Mik (Diptera: Dolichopodidae: Parathalassiinae), with a review of the world fauna, Zootaxa 4314 (1), pp. 1-64 : 19

publication ID	https://doi.org/10.11646/zootaxa.4314.1.1
publication LSID	lsid:zoobank.org:pub:6758Dc40-4356-4Adc-9Bd6-456652Ea5162
DOI	https://doi.org/10.5281/zenodo.6022472
persistent identifier	https://treatment.plazi.org/id/03E9879C-8D2F-FFDA-57E0-2EF2FC695DC1
treatment provided by	Plazi (2017-08-31 12:41:35, last updated 2024-11-26 08:25:53)
scientific name	Parathalassius blasigii Mik
status

Treatment

Parathalassius blasigii Mik View in CoL

( Figs 5–6 View FIGURES 5 – 10 )

Parathalassius blasigii Mik, 1891: 217 View in CoL . Schistostoma alterum Becker, 1907: 119 View in CoL .

Material examined. PORTUGAL: Minho, Braga, Esposende , Apúlia , Parque Natural do Litoral Norte , 41°28′24.0″N 08°46′26.6″W, 11.vii.2011, ex: sandy beach, Rui Andrade, CNC487196 View Materials (1♂, barcoded, CNC), CNC487197 View Materials (1♀, barcode-associated, CNC) GoogleMaps . TUNISIA: La Marsa, 8.v.1913 (1♂, 1♀, USNM) .

Diagnosis. This medium sized Palaearctic species ( Figs 5–6 View FIGURES 5 – 10 ) is characterized by a subtriangular antennal postpedicel, longer lower male ommatrichia, white setae on the lower part of the head, 2 notopleural bristles, pale legs, and entirely hyaline wing in both sexes.

Distribution. This western Palaearctic species is known from the Azores, the western Mediterranean region including Spain, the Italian mainland, Sicily and North Africa ( Tunisia) ( Chvála 1988, 1989, 2013), and is here newly recorded from the northwestern coast of Portugal.

Remarks. The shape and setation of the cerci examined in the male specimen of P. blasigii from Portugal, appears noticeably different from the illustration of the male cerci of this species (specimen from the type locality in Venice, Italy) depicted in Shamshev (1998). This may indicate the presence of at least one additional undescribed cryptic species within the current concept of P. blasigii .

References

Becker, T. (1907) Die Ergebnisse meiner dipterologischen Fruhjahrsreise nach Algier und Tunis. 1906. Zeitschrift fur systematische Hymenopterologie und Dipterologie, 7, 97 - 128.

Chvala, M. (1988) Revision of Palearctic Microphoridae (Diptera) 3. Parathalassiinae (Parathalassius Mik and Microphorella Becker). Acta entomologica Bohemoslovaca, 85, 352 - 372.

Chvala, M. (1989) Microphoridae. In: Soos, A. & Papp, L. (Eds.), Catalogue of Palaearctic Diptera. Fol. 6. Therevidae- Empididae. Elsevier Science Publishers & Akademiai Kiado, Amsterdam & Budapest, pp. 171 - 174.

Chvala, M. (2013) Fauna Europaea: Microphoridae. Fauna Europaea version 2.6. 2. Available from: https: // fauna-eu. org / (accessed 12 August 2015)

Mik, J. (1891) Vorlaufige Notiz uber Parathalassius Blasigii, ein neues Dipteron aus Venedig. Wiener Entomologische Zeitung, 10, 216 - 217.

Shamshev, I. V. (1998) Two new species of the genus Parathalassius Mik (Diptera: Microphoridae) from the Russian Far East, with a key to world species. An International Journal of Dipterological Research, 9 (1), 3 - 8.

Figures

FIGURES 5 – 10. Parathalassius habitus photographs. 5. Male of Parathalassius blasigii Mik resting on sand at Parque Natural do Litoral Norte, Portugal. 6. Female of Parathalassius blasigii Mik resting on sand at Parque Natural do Litoral Norte, Portugal. 7. Male of Parathalassius infuscatus sp. nov., resting on sand at Oso Flaco Dunes, California. 8 – 9. Male of Parathalassius uniformus sp. nov., resting on Ambrosia chamissonis (Less.) Greene (beach bur) at Surf Beach, California. 10. Male and female mating pair of Parathalassius uniformus sp. nov., on sand at Surf Beach, California. Photographs by Rui Andrade (Figs 5 – 6), and Alice Abela (Figs 7 – 10).