Tavaresiella hebri T.Majewski

MB#112656

Fig. 65A–B

Acta Mycologica 16: 148 (Majewski 1981). –

Type: “ On Hebrus ruficeps Thoms. (Heteroptera, Hebridae): Dlugie near Izbica Kujawska (Wloclawek voivodeship), muddy borders of shallow ditches at a meadow on the Northern end of Dlugie Lake, 22.5.1976, leg. T. Majewski (… 1590 – holotype …)”; KRAM–F. [Poland]

Diagnostic features

Cell I forming a thin, straight, externally darkened projection (Fig. 55A–B, arrows). Primary appendage consisting of a somewhat flattened basal cell giving rise to an inner antheridial branch and a simple outer branch. Inner branch formed by an elongated main cell (Fig. 55A–B, *) bearing on the outside a row of sessile antheridia or simple branchlets supporting antheridia. [Detailed descriptions: Benjamin 1993; Majewski 1994b]

Distribution and hosts

Confined to the true bug Hebrus ruficeps ( Hemiptera Hebridae) from Poland (type), Spain (Santamaria 1993a), and Costa Rica (Goldmann & Weir 2018).

Collections examined from Denmark

On Hebrus ruficeps Thomson, 1871 (Heteroptera; Hebridae) DENMARK – Lolland, Falster, Møn (LFM) • Hjelm Kobbel; 54°54.863′ N, 12°14.918′ E; UA28; 28 Aug. 2019; JP 1504; JP det.; ZMUC C-F-124091 . – Sydsjaelland (SZ) • Bårse; 55°7.680′ N, 11°56.494′ E; PG81; 24 Aug. 2019; JP 1503; JP det.; ZMUC C-F-124090 .

Remarks

First record from Denmark. A second species of Tavaresiella, i.e., T. santamariae, was reported from Europe only on Hebrus pusillus (Fallén) .