Tetraneura nigriabdominalis (Sasaki, 1899)

on Ulmus

Tetraneura nigriabdominalis gall

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

Tetraneura nigriabdominalis: galls on Ulmus minor

Ulmus minor, France, dép. Haute-Garonne, Avignonet-Lauragais © Catherine Reymonet

Tetraneura nigriabdominalis: galls on Ulmus minor

opened gall with apterae

Tetraneura nigriabdominalis + ulmi

Ulmus minor, France, dép. Haute-Garonne, Avignonet-Lauragais © Catherine Reymonet: next to a gall of T ulmi

Tetraneura nigriabdominalis + ulmi

a few days later

primary hostplants

Ulmaceae, monophagous

Ulmus minor & subsp. canescens, procera, pumila.

gall

the gall is more or less intensively red, covered with glandular hairs. The apex is ± pointed.


on Poaceae

gall

2-3 mm large, greenish- to brownish-wite aphids on the roots.

secondary hostplants

Poaceae, oligophagous

“Agropyron”; Cynodon; Digitaria; Echinochloa; Eragrostis; Oryza; Saccharum; Setaria; Sorghum; Tritium; Zea mays.

synonyms

Tetraneura, Tetraneurella, akinire Sasaki, 1904.

notes

A serious pest on rice.

references

Bellmann (2012a, “Tetraneurella alkinire”), Blackman & Eastop (2014), Braggion (2013a), Deckert & Deckert (2016a), Hellrigl (2004a), Modic, Razinger & Urek (2012), Pellizzari (2010a), Pérez Hidalgo & Umaran del Campo (2013a), Walczak, Borowiak-Sobkowiak & Wilkaniec (2017a).

14/05/2017

pub 14.v.2017 · mod 26.vii.2017