Plant Parasites of Europe

leafminers, galls and fungi

Heliozela resplendella parasite

…2009, A & Z Laštůvka, 2014a); Cyprus (Barton, 2015a). pupa Described by Patočka & Turčáni (2005a). notes Because no morphological characters were known to separate H. resplendella and Heliozela hammoniella, several authors, including Kuchlein & de Vos (1999a) have sunk the latter in synoymy of resplendella. However, Mutanen ao (2007a)…

Heliozela hammoniella parasite

…from Ireland to Central Russia (Fauna Europaea, 2009). pupa Described by Patočka & Turčáni (2005a). synonyms Heliozela betulae (Stainton, 1890). notes For a long time, no morphological characters were available to separate hammoniella from Heliozela resplendella. Several authors, including Kuchlein & de Vos (1999a), therefore have synonymized both taxa. Mutanen…

Betula host plants

Betula birch (For a dichotomous table for galls on Betula by Hans Roskam click here) Dichotomous table for leafminers 1a mine ends in a round or oval excision => 2 1b blotch without a preceding corridor (or this corridor < 3 mm) => 6 1c blotch preceded by a corridor…

gallers on Betula specials

…pith contains a single caterpillar. B. pendula, pubescens and related species. Heliozela hammoniella 18a Galls on the leaf blades => 23 18b Malformations only on petioles and leaf veins => 19 19a Swellings hardly 2 mm across or smaller => 21 19b Galls several mm long => 20 20a Petiole…

April, 2010 news

New for the fauna of Belgium Heliozela hammoniella ….

genus Betula host plant genus

…leaf bud gall Eriophyidae Acalitus calycophthirus leaf miner>borer Heliozelidae Heliozela hammoniella leaf down Erysiphales Erysiphe ornata leaf down Erysiphales Phyllactinia betulae leaf down Erysiphales Podosphaera erineophila leaf leaf spot Venturiales Fusicladium scribnerianum leaf gall Aphididae Calaphis betulicola leaf gall Aphididae Hamamelistes betulinus leaf gall Cecidomyiidae Anisostephus betulinus leaf gall Cecidomyiidae…

Betula pubescens host plant species

…Heliozelidae Heliozela hammoniella leaf down Erysiphales Erysiphe ornata leaf down Erysiphales Phyllactinia betulae leaf leaf spot Venturiales Fusicladium scribnerianum leaf gall Aphididae Hamamelistes betulinus leaf gall Cecidomyiidae Anisostephus betulinus leaf gall Cecidomyiidae Massalongia rubra leaf gall Cecidomyiidae Resseliella betulicola leaf gall Eriophyidae Acalitus longisetosus leaf gall Eriophyidae Acalitus notolius leaf…