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Open AccessArticle

Uninterrupted Development of Two Aphid Species Belonging to Cinara Genus during Winter Diapause

1
Department of Experimental Biology and Chemistry, University of Rzeszów, Pigonia 1, 35-310 Rzeszów, Poland
2
Department of Plant Physiology and Ecology, University of Rzeszów, Rejtana 16c, 35-959 Rzeszów, Poland
3
Department of Biochemistry and Cell Biology, University of Rzeszów, Zelwerowicza 4, 35-601 Rzeszów, Poland
4
Department of Developmental Biology and Morphology of Invertebrates, Institute of Zoology and Biomedical Research, Jagiellonian University, Gronostajowa 9, 30-387 Kraków, Poland
*
Author to whom correspondence should be addressed.
Insects 2020, 11(3), 150; https://doi.org/10.3390/insects11030150
Received: 5 February 2020 / Revised: 24 February 2020 / Accepted: 25 February 2020 / Published: 28 February 2020
Aphids are herbivores carrying the status of major pests for crops and ornamental plants. The many specific biological features of aphids allow them to survive unfavorable environmental conditions. As for other insects, a predominant strategy for aphids surviving winter, is laying diapausing eggs. During diapause, the expression of development may vary between species. Most of the insects stop growing during diapause; however, there is limited information about this process. We immunostained the embryos of aphids in order to detect cell division during diapause. Here, for the first time, we present that two species of aphids belonging to Cinara grow and develop throughout the duration of the winter diapause. Our results showed that the “resting stage” does not occur in embryos of these aphid species. The embryo of C. cupressi and C. juniperi undergoes a type of diapause, with slow growth. It seems that this feature is conducive to the rapid development of embryos in the egg, which may be another specific feature for aphid biology of overwintering. View Full-Text
Keywords: aphids; diapause; development; overwintering aphids; diapause; development; overwintering
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MDPI and ACS Style

Durak, R.; Dampc, J.; Dampc, J.; Bartoszewski, S.; Michalik, A. Uninterrupted Development of Two Aphid Species Belonging to Cinara Genus during Winter Diapause. Insects 2020, 11, 150.

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