35.073 Monochroa palustrellus (Dock Streak)
ws: 15-19mm; Jun-Aug; curled dock (Rumex crispus); NS-B on waste ground, dry pasture adn sand-dune south of Wash-Severn line
ID: This species has a striking pattern of dark streaks and black stigmata with a white surround that should make it readily identifiable.
ID to genus from male genital key: Abdominal segment 8 forming complete ring around genitalia; uncus not divided into two lobes; valvae symmetrical; gnathos absent; tegumen with uncus shorter than valvae; uncus short and wide, hardly differentiated from tegumen; valva not expanded towards apex; aedeagus stout, tapering; sacculus not circular, often curved > Monochroa
ID to species: Forewing with longitudinal blackish streaks, hindwing tornus rounded
ID to genus from male genital key: Abdominal segment 8 forming complete ring around genitalia; uncus not divided into two lobes; valvae symmetrical; gnathos absent; tegumen with uncus shorter than valvae; uncus short and wide, hardly differentiated from tegumen; valva not expanded towards apex; aedeagus stout, tapering; sacculus not circular, often curved > Monochroa
ID to species: Forewing with longitudinal blackish streaks, hindwing tornus rounded
§1 Foulness, Essex; 13/07/2013
§2 Foulness, Essex; 20/07/2013; male; fw 8.6mm
§3 Foulness, Essex; 27/06/2015; male
§4 Pound Wood, Essex; 30/06/2019; female; fw 8.1mm
§5 Orlestone Forest, Kent; 24/06/2020; male; fw 8.0mm
All images © Chris Lewis
§2 Foulness, Essex; 20/07/2013; male; fw 8.6mm
§3 Foulness, Essex; 27/06/2015; male
§4 Pound Wood, Essex; 30/06/2019; female; fw 8.1mm
§5 Orlestone Forest, Kent; 24/06/2020; male; fw 8.0mm
All images © Chris Lewis
Page published 09/11/2013 (§1-2) | §3 added 30/03/2016 | §4 added 22/02/2020 | §5 added 27/01/2021