Management of Hylesia nanus (Lepidoptera: Saturniidae) on Eucalyptus (Myrtaceae) plantations
Carregando...
Data
2017-06-01
Autores
Masson, Marcus V.
Tavares, Wagner de S.
Pereira, Deivide W. V.
Matos, William C.
Lopes, Fabricio de A.
Ferreira-Filho, Pedro J.
Wilcken, Carlos F. [UNESP]
Zanuncio, Jose C.
Título da Revista
ISSN da Revista
Título de Volume
Editor
Florida Entomological Soc
Resumo
The management of Hylesia nanus Walker (Lepidoptera: Saturniidae), a defoliator of Eucalyptus species (Myrtales: Myrtaceae), was evaluated on the northern coast of Bahia State, Brazil, by performing 3 connected experiments: (1) monitoring of H. nanus moths by using light traps; (2) biological control of H. nanus pupae by releasing the endoparasitoid Palmistichus elaeisis Delvare & La Salle (Hymenoptera: Eulophidae); and (3) chemical control of H. nanus larvae with 1 spraying of bifenthrin + etilenoxi. The light traps effectively assisted the monitoring and control of H. nanus moths, with a mean population peak (+/- SE) of 801 +/- 438 individuals collected per trap in a 23 d nocturnal period. Palmistichus elaeisis was recovered from the H. nanus pupae 96 h post release, with a parasitism rate of 23 +/- 3%, indicating an ability to parasitize and contribute to insect suppression. Release of this parasitoid can be integrated with monitoring using light traps. Chemical control was highly effective against the last instar H. nanus larvae, with only 11 +/- 3 larval survivors per tree trunk 24 h post spraying. Thus, the monitoring of moths by using light traps, control of pupae by releasing P. elaeisis, and chemical control of last instar larvae are methods that could be integrated into a management plan for H. nanus.
Descrição
Palavras-chave
chemical control, light trap, Palmistichus elaeisis, Tachinidae
Como citar
Florida Entomologist. Lutz: Florida Entomological Soc, v. 100, n. 2, p. 380-384, 2017.