Galls of Baizongia pistaciae|
on leafs of Pistacia terebinthus
|Nueno (Huseca), Spain; 21 October 2018.|
|Galls of Forda formicaria on leafs of Pistacia terebinthus|
|Santa Ana (Huseca), Spain; 15 June 2019.
Galls caused by fundatrices, females emerging from fertilized overwintering eggs.
|Santa Ana (Huseca), Spain; 15 June 2019. Mostly secondary galls, some fundatrix galls.|
Galls of Tetraneura cf. ulmi|
on leafs of Ulmus spec.
|English||:||Elm-grass aphid, elm sack gall aphid|
|Amsterdam, the Netherlands; 21 June 2017 & 24 June 2018.|
|Bernués (Huesca), Spain; 21 June 2019.|