Eomastix incerta (Jaschhof, 2002)

Salmela, Jukka & Kaunisto, Kari M, 2015, Additions to the list of Finnish Bibionomorpha (Diptera, Nematocera), Biodiversity Data Journal 3, pp. 5228-5228 : 5228

Eomastix incerta (Jaschhof, 2002)

Materials

Type status: Other material. Occurrence: catalogNumber: DIPT-JS-2014-0247 ; recordedBy: J. Salmela; individualCount: 1; sex: male; Location: country: Finland; stateProvince: Lapponia kemensis pars orientalis; verbatimLocality: Savukoski, Urho Kekkonen National Park, Jaurujoki; verbatimLatitude: 68.1196; verbatimLongitude: 28.5888; verbatimCoordinateSystem: decimal degrees; verbatimSRS: WGS84; Identification: identifiedBy: J. Salmela; Event: samplingProtocol: trunk window trap; eventDate: 2014-7-1/8-5; habitat: burned, pine dominated forest, trap was set on a standing spruce; Record Level: institutionCode: JES

Type status: Other material. Occurrence: catalogNumber: DIPT-JS-2014-0276 ; recordedBy: J. Salmela; individualCount: 10; sex: 8 male, 2 female; otherCatalogNumbers: DIPT-JS-2014-0243, DIPT-JS-2014-0341, DIPT-JS-2014-0492, DIPT-JS-2014-0493; Location: country: Finland; stateProvince: Lapponia kemensis pars orientalis; verbatimLocality: Savukoski, Urho Kekkonen National Park, Jaurujoki; verbatimLatitude: 68.1205; verbatimLongitude: 28.5815; verbatimCoordinateSystem: decimal degrees; verbatimSRS: WGS84; Identification: identifiedBy: J. Salmela; Event: samplingProtocol: trunk window trap; eventDate: 2009-6-4/9-16; habitat: burned, pine dominated forest, trap was set on a standing spruce; Record Level: institutionCode: JES

Distribution

European. The species (Fig. 2) was described from Sweden, (Tyresta) as Gongromastix incerta ( Jaschhof 2002), and was later transferred to a monotypic genus Eomastix ( Jaschhof and Jaschhof 2009). The species is known from Norway and Sweden, from a single site in both countries ( Jaschhof and Jaschhof 2009). The Finnish locality is in Urho Kekkonen National Park, in the north boreal zone, close to the Russian border.

Ecology

Larvae of Lestreminae are perhaps mostly saproxylic ( Jaschhof and Jaschhof 2009). The species is most likely to be pyrophilous, requiring or preferring forest fire areas. In Sweden, the species was collected from site that had experienced forest fire roughly one year earlier ( Jaschhof and Jaschhof 2009). The Finnish collecting site is an old-growth burnt forest, dominated by pine ( Pinus sylvestris ), with scattered spruce ( Picea abies ) and birch ( Betula sp). The forest fire site (Fig. 3) is circa 34 ha in area, and the fire was ignited by lightning in late July 2013. The species seems to have rather long flying season, from June to August.