Hydrophorus oceanus (Macquart, 1838)

Pollet, Marc, Andrade, Rui, Gonçalves, Ana, Andrade, Pedro, Jacinto, Valter, Almeida, Jorge, Braekeleer, Anja De, Calster, Hans , 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: 40-41

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Hydrophorus oceanus (Macquart, 1838)


70. Hydrophorus oceanus (Macquart, 1838)  ( Hydrophorinae  )

( Fig. 4CView FIGURE 4)

Number of specimens recorded. 13.

Distribution. Restricted to the northwestern part of Europe; also North Africa. Portugal: northernmost (Minho) and southernmost province (Algarve) (this study), and Baixo Alentejo ( Naglis & Barták 2015) (also Dyte unpubl. data).

Ecology. Recorded in low numbers from different macrohabitat categories, including littoral, dune, and riparian habitats near the coast. This halobiont species is entirely confined to the littoral zone, everywhere in northwestern Europe ( Pollet 2000).

Rarity (%). 3.4 (rare). Rare (FL).

Activity period. May, August–September.