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Publicação
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Título:
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Defense Response of Native and Alien Mealybugs (Hemiptera: Pseudococcidae) Against the Solitary Parasitoid Anagyrus sp. nr. pseudococci (Girault) (Hymenoptera: Encyrtidae)
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Tipo:
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Artigo de Revista
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Autor(es):
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Abdalbaset A. A. Bugila
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José Carlos Franco
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Elsa Borges da Silva
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Manuela Rodrigues Branco Simões
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Resumo:
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The host behavioral and immune (encapsulation) defenses against the parasitoid Anagyrus sp. nr. pseudococci were compared for five mealybug species with different phylogenetic relationships and geographical origins: i) a Mediterranean native mealybug species, Planococcus ficus, with a long co-evolutionary history with the
parasitoid; ii) three alien mealybugs species, Planococcus citri, Pseudococcus calceolariae and Pseudococcus viburni, with a more recent co-evolutionary history; and iii) a fourth alien mealybug species, Phenacoccus peruvianus, with no previous common history with the parasitoid. Three host defense behaviors were registered: abdominal flipping, reflex bleeding and walking away. The native host Pl. ficus and its congener Pl. citri exhibited the lowest probability of defense behavior (0.11±0.01 and 0.09±0.01 respectively), whereas the highest value was observed in P. viburni (0.31±0.02). Intermediate levels of defense behavior were registered for Ps. calceolariae, and Ph. peruvianus. The probability of parasitoid encapsulation was lowest and highest for
two alien host species, Ph. peruvianus (0.20±0.07) and Ps. viburni (0.86±0.05), respectively. The native host Pl. ficus, its congener Pl. citri and Ps. calceolariae showed intermediate values (0.43±0.07, 0.52±0.06, and 0.45±0.09, respectively). The results are relevant with respect to biological control and to understand possible evolutionary processes involved in host range of A. sp. nr. pseudococci.
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Palavras-chave:
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behavioral defense, biological control, encapsulation, host parasitoid
co-evolution, host resistance, immune defense
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Página inicial:
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439
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Página final:
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453
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Revista:
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Journal of Insect Behavior - 27 - 4 [2014]
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Editora:
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Springer
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URL:
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http://link.springer.com/article/10.1007%2Fs10905-014-9440-x
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