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7 September 2020 Host plant discrimination through mobility parameters by eriophyoid mites
Érica C. Calvet, Debora B. Lima, José W. S. Melo, Manoel G. C. Gondim Jr
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Abstract

Eriophyoidea is a well-known mite taxon of economic importance. Due to their small size, elucidating many of their bio-ecological aspects becomes a challenge. These mites are obligatory plant feeders, with high host specificity and vagrant (free living) and non-vagrant (part or whole life cycle in a host) lifestyles. The mobility (distance walked - mm, resting time - s, and number of stops) of these mites on host and non-host plant species has been investigated. Eriophyoid species were submitted to walking tests on host and non-host plants using five vagrant species and five non-vagrant species. The walking was recorded with video tracking (ViewPoint) for ten minutes. Twenty replicates were performed for each treatment (eriophyoid species and plant). There was a difference in the behavioral response of the species studied in relation to the hosts. When the species were grouped by ecological lifestyle (vagrant and non-vagrant), non-vagrant eriophyoids presented a higher mobility (higher distance walked, less resting time) than vagrant eriophyoids on their respective hosts. There was no difference in the mobility of vagrant and non-vagrant species on non-host plants. The absence of a pattern of behavioral response among the species tested here indicates that more factors are involved in the host identification and acceptance process.

© Systematic & Applied Acarology Society
Érica C. Calvet, Debora B. Lima, José W. S. Melo, and Manoel G. C. Gondim Jr "Host plant discrimination through mobility parameters by eriophyoid mites," Systematic and Applied Acarology 25(9), 1541-1551, (7 September 2020). https://doi.org/10.11158/saa.25.9.2
Received: 30 October 2019; Accepted: 2 July 2020; Published: 7 September 2020
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KEYWORDS
Eriophyidae
host identification
mite behavior
no-choice tests
non-vagrant
vagrant
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