Medetera mixta Negrobov, 1967 (Medeterinae)

Pollet, Marc, Andrade, Rui, Gonçalves, Ana, Andrade, Pedro, Jacinto, Valter, Almeida, Jorge, Braekeleer, Anja De, Calster, Hans Van & Brosens, Dimitri, 2019, Dipterological surveys in Portugal unveil 200 species of long-legged flies, with over 170 new to the country (Diptera: Dolichopodidae), Zootaxa 4649 (1), pp. 1-69 : 43-44

84. Medetera mixta Negrobov, 1967 (Medeterinae) — new to Portugal

( Fig. 4J )

Number of specimens recorded. 30.

Distribution. Recorded from central and—mainly—eastern Europe. Portugal: two northern provinces and Algarve in the south.

Ecology. Recorded from different biotopes in Portugal, in fair to rather high numbers in a sparse supramediterranean (see Mucina et al. 2016) Quercus pyrenaica forest, and along a lowland river in a ravine, with Mediterranean sclerophyllous forest on its slopes. In both the Netherlands and northern France, the species has been found rather abundantly in calcareous grey dunes in the coastal region (Pollet unpubl. data).

Rarity (%). 3.4 (rare).

Activity period. June–July.

Figures

FIGURE 4. Selected Portuguese species. A. Hercostomus germanus (♂); B. Hercostomus pilifer (♂); C. Hydrophorus oceanus (♀); D. Hydrophorus praecox (♀); E. Liancalus virens (♀); F. Machaerium maritimae (copula); G. Medetera ambigua (♂); H. Medetera dendrobaena (♂); I. Medetera flavipes (♂); J. Medetera mixta (♀); K. Medetera muralis (♂); L. Medetera peloria (♂); M. Medetera petrophiloides (♀); N. Medetera truncorum (♂); O. Muscidideicus praetextatus (♂); all photos by Rui An- drade.