Polyblastus tibialis

(Cresson, 1864)

A of ichneumon in the Tryphoninae. Documented from western Canada with records from Alberta. Belongs to a of that attack . The specific epithet 'tibialis' likely refers to a characteristic of the .

Pronunciation

How to pronounce Polyblastus tibialis: /ˌpɒlɪˈblæstəs tɪˈbaɪəlɪs/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Distribution

Western Canada: recorded from Edmonton and Jumping Pound Creek (20 mi W Calgary) in Alberta, and Turtle Mountain Forest Reserve.

Host Associations

  • Sawfly larvae (Symphyta) - Based on -level biology; specific records for this not documented

Behavior

Females have been observed carrying multiple externally, apparently accumulating eggs on the after unsuccessful attempts. This appears to be a consequence of large egg loads characteristic of .

Ecological Role

of ; contributes to of sawflies in forest .

Similar Taxa

  • Other Polyblastus species-level identification requires detailed examination; 'tibialis' specific epithet suggests tibial character may aid distinction
  • Other Tryphonini genera of with similar biology; morphological details of and separate

More Details

Taxonomic note

Authored by Cresson in 1864. The specific epithet 'tibialis' is shared with other (e.g., Steniolia tibialis in Bembicidae), but refers to different .

Research context

Limited published information specific to this ; most biological knowledge inferred from -level studies of Polyblastus and tribe Tryphonini.

Tags

Sources and further reading