Conotrachelus schoofi

Papp, 1978

Pecan Shoot Curculio

Conotrachelus schoofi is a weevil in the Curculionidae that feeds on pecans. cause premature nut drop by feeding on pecan nutlets. Larvae develop within the nuts, completing their growth inside the shuck. The species has one per year, with adults emerging in spring and in .

Conotrachelus schoofi by (c) Owen Strickland, some rights reserved (CC BY), uploaded by Owen Strickland. Used under a CC-BY license.Conotrachelus schoofi by (c) Owen Strickland, some rights reserved (CC BY), uploaded by Owen Strickland. Used under a CC-BY license.

Pronunciation

How to pronounce Conotrachelus schoofi: //ˌkoʊnoʊtrɑˈkiːləs ˈʃuːfi//

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Habitat

Pecan orchards; leaf litter and soil serve as sites for in .

Distribution

North America; recorded in Ontario, Canada.

Seasonality

begins in late April, peaks in mid-May, and continues through June. Adults enter in late summer and overwinter.

Diet

Pecan nutlets ( feeding); developing pecan nuts (larval development within the shuck).

Host Associations

  • Carya illinoinensis - primary pecan; feeding and larval development

Life Cycle

One per year (). are laid in pecan nuts and larval development is completed within the shuck. emerge from late April through June, with peak in mid-May. Adults enter in late summer and overwinter in leaf litter and soil.

Behavior

feeding on nutlets causes premature nut drop. Adult is synchronized with pecan nutlet development.

Ecological Role

Pest of cultivated pecans, causing economic damage through premature nut drop and internal larval of nuts.

Human Relevance

Significant agricultural pest of pecan orchards; management includes applications timed to periods.

Similar Taxa

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Sources and further reading