Journal
AQUATIC BOTANY
Volume 168, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.aquabot.2020.103311
Keywords
Avicennia germinans; Avicennia schaueriana; Herbivory; Severe defoliation
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This study reports an infestation of Hyblaea puera caterpillars in the mangrove forest of the Mamanguape River, Paraiba State, Brazil, which affected Avicennia germinans and Avicennia schaueriana. The foliar herbivory rate was over 50% during the caterpillar outbreak period. There was variation in the intensity of caterpillar infestation throughout the distribution area, from no attack to complete defoliation of the trees in mono-specific forests of A. germinans.
Outbreaks of caterpillars have been recorded in some mangrove forests in Brazil and other countries. This study reports an infestation of Hyblaea puera caterpillars (Cramer, 1777) (Lepidoptera: Hyblaeidae) in the mangrove forest of the Mamanguape River, Paraiba State, Brazil. The attacks occurred between May and July 2020 and affected Avicennia germinans (L.) L. and Avicennia schaueriana Stapf & Leechm. ex Moldenke. During the caterpillar outbreak period, the foliar herbivory rate was > 50 % in both species. Throughout the distribution area of the species in the estuary, there was variation in the intensity of caterpillar infestation: from the absence of attack to the complete defoliation of the trees in mono-specific forests of A. germinans. The consequences of severe defoliation are briefly discussed, emphasizing mangrove conservation.
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