Dolichopus tanythrix Loew, 1869 (Dolichopodinae)

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 : 36

55. Dolichopus tanythrix Loew, 1869 (Dolichopodinae) — new to Portugal

( Fig. 3L )

Number of specimens recorded. 4.

Distribution. Rather restricted to central-western Europe, but also recorded from Sweden, Italy and Romania. Portugal: two provinces in northern Portugal.

Ecology. Portuguese sampling sites were either mountainous or contained peat bog areas. This corresponds very well with the habitat preference of this species in northwestern Europe where it is mainly found in humid heathlands and peat bogs ( Pollet et al. 1988; Maes & Pollet 1997).

Rarity (%). 4.6 (rare). Fairly common (FL).

Activity period. June, August.

Figures

FIGURE 3. Selected Portuguese species. A. Chrysotus blepharosceles (♀); B. Chrysotus cilipes (♂); C. Chrysotus laesus (♂); D. Diaphorus exunguiculatus (♂); E. Dolichopus andalusiacus (♂); F. Dolichopus atratus (♂); G. Dolichopus diadema (♂); H. Dolichopus latilimbatus (♂); I. Dolichopus nubilus (♂); J. Dolichopus plumipes (♂); K. Dolichopus signifer (♂); L. Dolichopus tanythrix (♀); M. Gymnopternus cupreus (♂); N. Gymnopternus silvestris (♂); O. Hercostomus appendiculatus (♂); photos by Rui Andrade, except for C by Leo Verdoodt.