Tetraneura caerulescens (Passerini, 1556)

on Ulmus, primaire waardplant

Tetraneura caerulescens gall

Ulmus minor, Spain, prov. Salamanca, Ledesma © Nicolás Pérez

gall

the gall resembles the one of T. nigriabominalis but is much more globular, never has a clearly acute tip.

host plants

Ulmaceae, monophagous

Ulmus glabra, minor, procera, pumila.


on Poaceae, secondary host plants

gall

aphids on the roots; they are 2 mm long, orange-brown to brown, covered by bluish flocculent waxwool.

secondary host plants

Poaceae, oligophagous

Alopecurus; Cynodon; Echinochloa; Eragrostis; Festuca; Poa; Setaria.

synonyms

Byrsocrypta caerulescens; Tetraneura rubra Lichtenstein, 1880.

references

Barbagallo, Binazzi, Pennacchio & Pollini (2011a), Barbagallo & Pollini (2014a), Beguinot (2002a, d, 2002a, 2006a), Blackman & Eastop, Buhr (1965a), Cogolludo (1921a), Dauphin & Aniotsbehere (1997a), Houard (1908a), Nieto Nafría & de Benito Dorrego (1976a), Nieto Nafría, Mier Durante, Binazzi & Pérez Hidalgo (2002a), Pellizzari (2010a), Stănescu (2009a), Pérez Hidalgo & Umaran del Campo (2013a), Ripka, Reider & Szalay-Marzsó (1998a), Suay Cano & González Funes (1998c), Tomasi (2003a, 2012a, 2014a), Wojciechowski, Depa, Halgoš ao (2016a).

mod 15.i.2019