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Florodelphax leptosoma
Family: Delphacidae

A small genus of delphacids that resemble Criomorphus in having dark forewings with a white apex. They can be separated by the more prominent genital segment in male Florodelphax, and by the much higher fork on the frons.

F. leptosoma is separated from F. paryphasma by the genitalia in males; in females, the entirely yellow-brown pronotum is distinctive (in paryphasma it is pale posteriorly). Sometimes macropterous.

A fairly common species found in a wide range of wetland habitats across the UK. Mistakenly referred to as
F. albofimbriata in the RES key

Adult: April to August
Length 2.2-4 mm
Florodelphax leptosoma
Adult male with aedeagus: Prescot (October 2009) ©Steve Tomlinson

Florodelphax leptosoma Florodelphax leptosoma
Adult male genitalia: Prescot (October 2009) ©Steve Tomlinson

Adult female: Prescot (October 2009) ©Steve Tomlinson