Coreomyces arcuatus Thaxt.

MB#257238

Fig. 4F

Memoirs of the American Academy of Arts and Sciences 16: 324 (Thaxter 1931). –

Type: “ On the inferior surface of the abdomen near the middle, or slightly to the left, of the tip of Centrocorixa Kollari (Fieb.), No. 1751, Mandeville, Jamaica, B. W. I.”; FH.

Diagnostic features

Cells I and II 1.5–2 times as long as broad. Terminal cell (III) 2–3 times as long as broad. Perithecium arcuate, laterally bent. [Detailed descriptions: Majewski 1973b, 1994b; De Kesel & Werbrouck 2008]

Distribution and hosts

Reported on Corixidae (Hemiptera) of the genera Centrocorisa Lundblad, 1928 (= Centrocorixa); Callicorixa White, 1873; and Sigara Fabricius, 1775 from Jamaica (type), Poland, Bulgaria (Majewski 1973b), and Belgium (De Kesel & Werbrouck 2008).

Collections examined from Denmark

On Sigara limitata (Fieber, 1848) (Heteroptera Corixidae)

DENMARK – Vestjylland (WJ) • Simmelmose; 55°46.299′ N, 9°3.519′ E; NG08; 2 Jun. 2019; JP 1529; M. Holmen det.; ZMUC C-F-124285 .

Remarks

First record from Denmark. Only a single thallus of this species has been found in its typical position on the host body, i.e., the middle part of 5 th abdominal sternite (Majewski 1994b).