2015
DOI: 10.7287/peerj.preprints.1497
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Winter is coming: cold hardiness attributes of a field population of the potato tuberworm Phthorimaea operculella

Abstract: The potato tuberworm, Phthorimaea operculella (Zeller) (Lepidoptera: Gelechiidae), is a worldwide pest of solanaceous crops especially devastating to potatoes. In the present study we investigated the cold hardiness profile of short-term acclimated and non-acclimated immature and adult stages of a field population of P. operculella. Late instars displayed the lowest mean supercooling point, for both short-term acclimated and non-acclimated individuals, however, no significant differences were observed among de… Show more

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