S. elegans

Sipha (Rungsia) elegans Del Guercio, 1905

Morphological characters

1.4-2.1 mm, green to yellowish spotted with brown.
Apterous: long hairs all over body.
Alate: Antennae short with 5 segments, numerous hairs and spots on abdomen, cornicles short and volcano shaped, cauda rounded.

Life cycles

Monoecious holocyclic.

Host plants

Cultivated Poaceae: Triticum (wheat), Hordeum (barley), also wild forms: Festuca (fescue), Agropyron (couch grass)..

Particular characteristics

S. elegans is not very frequent.

Agronomic impact

The toxicity of the saliva of S. elegans induces the formation of yellow spots on the leaves which also roll up.

Natural enemies

Parasitoids :
  • Adialytus ambiguus