Scatophila iowana Wheeler, 1961

Kahanpaeae, Jere & Zatwarnicki, Tadeusz, 2015, Notes on Shore Flies (Diptera: Ephydridae) from Finland and north-western Russia, Biodiversity Data Journal 3, pp. 4701-4701 : 4701

Scatophila iowana Wheeler, 1961

Materials

Type status: Other material. Occurrence: catalogNumber: http://id.luomus.fi/HT.3120 ; recordedBy: Storå, Ragnar; individualCount: 1; sex: M; lifeStage: adult; Taxon: scientificName: Scatophilaiowana Wheeler, 1961; order: Diptera; family: Ephydridae; genus: Scatophila; specificEpithet: iowana; scientificNameAuthorship: Wheeler, 1961; Location: country: Finland; stateProvince: KP; municipality: Pietarsaari; verbatimLocality: Fennia Om Jakobstad; decimalLatitude: 63.69; decimalLongitude: 22.67; geodeticDatum: WGS84; coordinateUncertaintyInMeters: 10000; georeferencedBy: Jere Kahanpää (MZH); Identification: identificationRemarks: Identified as Scatophila modesta Becker by MG Krivosheina in 2003.; Event: year: 1950; month: 7; day: 5; Record Level: institutionCode: MZH; basisOfRecord: PreservedSpecimen

Diagnosis

Scatophila iowana Wheeler has entirely black legs, a yellow haltere, a matt brown mesonotum and a brownish microtomentose abdomen. It lacks the pair of pronounced facial setae typical for S. despecta (Haliday). The wing and mesonotal patterns of Scatophila iowana resemble those of S. caviceps (Stenhammar). Males of these two species can be identified by the shape of the central part of the face: somewhat protruding between well-defined antennal grooves in S. iowana , weakly concave and without antennal grooves in S. caviceps .

The anepisternum of S. iowana is rather uniformly brownish; S. caviceps has a grey anepisternum with two brown spots, one around the base of the anepisternal bristle and one at the ventral margin.

The male terminalia of S. iowana are characterized by the anterior margin of the epandrium, which is slightly concave, and the aedeagus, which consists of three sclerites. In S. caviceps the anterior margin of the epandrium bears a medial projection and the aedeagus is a one-piece structure.

Distribution

First recorded from Finland by Zatwarnicki and Kahanpää (2014). Scatophila iowana is a Holarctic species. It is probably widespread in Europe, but its distribution remains poorly known ( Zatwarnicki 2013).