Insects Feeding
on these Plants:


Elymus glaucus
(Blue Wild Rye) [Poaceae]
(Observations are from Needham et al., Spencer & Steyskal, ScaleNet)

Diptera (Flies)

Agromyzidae: Cerodontha dorsalis (Grass Sheath Miner) [larvae are leaf-miners, pupating in sheaths; widespread] Ndm1928 SS1986, Cerodontha incisa [larvae are leaf-miners; widespread in the northern half of USA, also in Canada] SS1986

Homoptera (Sucking Insects)
Heterococcus nudus (Naked Grass Mealybug) [found on the crown & underneath leaf sheaths of host plants; this insect is widely distributed in northern USA & California] SN2014, Trionymus americanus (American Grass Mealybug) [found underneath leaf sheaths on grasses & on foliage for other kinds of vegetation, probably polyphagous; this insect is widely distributed] SN2014