Laboulbenia oodiphila Huldén

MB#108115

Fig. 39A–B

Karstenia 23: 57 (Huldén 1983). –

Type: “ Holotype. Slide L. Huldén 5, Collecting data of the host: Finland. Al: Finström, 30.VI.1943, leg. Hakan Lindberg. Host. Oodes helopiodes (Fabricius) ( Coleoptera, Carabidae). The parasite occurs on the anterior margin of the left elytron and the left mesofemur, accidentally on the coxae or other parts of the elytra”; MZH.

Diagnostic features

Lower receptacle (cells I and II) forming a long pedicel where cell II is 3–4 times as long as broad. Cell V small, obtriangular to oval, about half the length or less of cell IV, not connected with cell III. Outer appendage unbranched or once ramified above the second cell. Inner appendage consisting of a large basal cell bearing 1–2 antheridial branchlets which later proliferate into sterile appendages. [Detailed description: Majewski 1994b]

Distribution and hosts

Known from the carabid genus Oodes in Finland (type), Poland, Ukraine (Majewski 1994b), Switzerland (Hoess & Senn-Irlet 2009), Bulgaria, Italy, China (Rossi et al. 2019a), and Austria (Rossi & Christian 2020).

Collections examined from Denmark

On Oodes helopioides (Fabricius, 1792) (Col. Carabidae) DENMARK – Bornholm (B) • Bastemose i Almindingen; 55°7.554′ N, 14°56.560′ E; VB90; 28 Jun. 1994; JP Dry0053; JP det.; ZMUC C-F-124119 . – Nordøstsjaelland (NEZ) • Trørød Mose; 55°50.383′ N, 12°32.598′ E; UB49; 19 Jun. 1955; Johs. Petersen Dry0052; Johs. Petersen det.; ZMUC C-F-124118 .

Remarks

First record from Denmark. The distribution of this species is patchy, from Southern Europe to far China, probably by lack of exploration, but the record from Denmark is not surprising because of its previous records from neighbouring countries.