Peanut cultivars display susceptibility by triggering outbreaks of Tetranychus ogmophallos (Acari: Tetranychidae)

Melville, Cirano Cruz; Zampa, Samuel Felipe; Savi, Patrice Jacob; Michelotto, Marcos Doniseti; Andrade, Daniel Júnior de

doi:10.1007/s10493-019-00385-1

Cited by 4 publications

(1 citation statement)

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“…The results are in compliance with those by Omkar and James 47 and Tian et al 25 who report that prey suitability affects the oviposition of Coccinella transversalis Fabricius, Coccinella undecimpunctata (Linnaeus), and Serangium japonicum Chapin (Coleoptera: Coccinellidae). Furthermore, females that reached reproductive maturity by feeding on low-quality diet and acquired low energy during their development may be able to control the sex ratio of their offspring 61 . This would justify the male biased sex ratio (0.46) of E. connexa on T. ogmophallos , while the ratio is 1:1 (0.52) on T. urticae and M. persicae.…”

Section: Discussionmentioning

confidence: 99%

Suitability of spider mites and green peach aphids as prey for Eriopis connexa (Germar) (Coleoptera: Coccinellidae)

Matos

Savi

Melville

et al. 2022

Sci Rep

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The ladybird Eriopis connexa is an important natural enemy of several pest arthropods in agroecosystems. High population of this predator is frequently observed in strawberry and soybean crops associated with spider mites. We used two-sex life table parameters to evaluate under laboratory conditions, the suitability of three species of spider mites (Tetranychus evansi, Tetranychus urticae, Tetranychus ogmophallos), and a species of aphid (Myzus persicae) as a prey for the predator E. connexa. Eriopis connexa completed immature development on all prey species except on T. evansi, in which all individuals of predator died before reaching the pupal stage. Among prey species that allowed the immature development of E. connexa, T. urticae and M. persicae provided a faster development time to the predator. Oviposition days, longevity and fecundity of E. connexa on T. urticae and M. persicae were substantially longer/higher than on T. ogmophallos. Net reproductive rate (R0), intrinsic rate of increase (r), and finite rate of increase (λ) of E. connexa feeding on T. urticae and M. persicae were also higher than those on T. ogmophallos. Based on the overall performance of the ladybird, the order of suitability of prey species was M. persicae > T. urticae > T. ogmophallos > T. evansi.

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Section: Discussionmentioning

confidence: 99%