Interciencia ISSN: 0378-1844 [email protected] Asociación Interciencia Venezuela Azevedo Pereira, Alexandre Igor; Vinha Zanuncio, Virginia; Simões Lorenzon, Alexandre; Bolognani, Helder; Vique Fernandes, Bianca; Hendrik Mielke, Olaf Hermann; Serrão, José Eduardo; Cola Zanuncio, José BIOLOGICAL AND MORPHOLOGICAL CHARACTERISTICS OF Hylesia paulex (LEPIDOPTERA: SATURNIIDAE) FED WITH Eucalyptus urophylla (MYRTACEAE) Interciencia, vol. 34, núm. 9, septiembre, 2009, pp. 645-649 Asociación Interciencia Caracas, Venezuela Available in: http://www.redalyc.org/articulo.oa?id=33913149008 How to cite Complete issue Scientific Information System More information about this article Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Journal's homepage in redalyc.org Non-profit academic project, developed under the open access initiative Biological AND Morphological CHARACTERISTICS OF Hylesia paulex (Lepidoptera: SatURNiidae) Fed with Eucalyptus urophylla (Myrtaceae) Alexandre Igor Azevedo Pereira, Virginia Vinha Zanuncio, Alexandre Simões Lorenzon, Hélder Bolognani, Bianca Vique Fernandes, Olaf Hermann Hendrik Mielke, José Eduardo Serrão and José Cola Zanuncio SUMMARY Hylesia spp. (Saturniidae), important moths for public health due ±14.52% viability, and the duration of the larval stage reached to urticating bristles of their larvae and/or adults, are collected in 67.83 ±0.84 days, with seven instars. The gregarious behavior is different habitats with potential to defoliate plants in agriculture important to maintain a high survival rate during this stage for and forest systems. Biological and morphological characteristics of H. paulex. The pre-pupa and pupa stages of this insect lasted 3.87 Hylesia paulex (Dognin, 1922) (Lepidoptera: Saturniidae) fed with ±0.16 and 21.67 ±0.79 days, respectively. The longevity of females Eucalyptus urophylla (Myrtaceae) were studied in the laboratory. of this species was longer (4.50 ±0.54 days) than that of males Recently-emerged caterpillars of this species were separated in 10 (2.80 ±0.44 days). The mean number of eggs per egg mass was plastic pots (500ml) with 30 of them per pot, and fed daily with 132.3. Moths of H. paulex completed its life cycle, satisfactorily, fresh leaves of E. urophylla until they reached adult stage. The egg with leaves of E. urophylla in the laboratory. incubation period of H. paulex was 32.00 ±1.19 days with 65.32 Introduction belong to more than one of ing substances and provoke agricultural and forest pests these categories as Saturniidae burns in mammals (Fornés and (Borges et al., 2003; Freitas et Insects can be of medi­ moths do. Individuals of this Hernandéz, 2001; Gouveia et al., 2005; Specht et al., 2006a) cal, agricultural or veterinary family have defense structures al., 2005; Lorini et al., 2007). and social importance as food importance, but few groups with bristles that inject urticat­ They also have potential as for humans (Ande, 2003). KEYWORDS / Gregarism / Hemileucinae / Lepidopterism / Moth / Received: 02/25/2008. Modified: 08/24/2009. Accepted: 08/25/2009. Alexandre Igor Azevedo Pereira. Alexandre Simões Lorenzon. Olaf Hermann Hendrik Mielke. José Cola Zanuncio. M.Sc. Agronomist, Universidade Fede­ Agronomist and M.Sc. student, Doctor in Entomology, Uni­ in Entomology, USP, Brazil. ral da Paraíba, Brazil. M.S. in UFV, Brazil. e­mail: aleloren­ versidade Federal do Paraná Ph.D. in Entomology, Uni­ Entomology and Doctoral stu­ [email protected] (UFPR), Brazil. Professor, versity of British Columbia, dent, Universidade Federal de Helder Bolognani. Researcher, V UFPR, Brazil. Canada. Professor. UFV, Bra­ Viçosa (UFV), Brazil. e­mail: & M Florestal, Brazil. e­mail: José Eduardo Serrão. Doctor zil. Address: Departamento [email protected] [email protected] in Biological Sciences, Uni­ de Biologia Animal/BIOA­ Virginia Vinha Zanuncio. M.D., Bianca Vique Fernandes. Forest versidade de São Paulo, USP, GRO, UFV. CEP 36.571­000; UFV, Brazil. Current Position: Engineer, V & M Florestal, Brasil. Professor, UFV, Brazil. Viçosa, MG, Brasil. e­mail: Phisician, Universidade Federal e­mail: bianca.fernandes@vm­ e­mail: [email protected] [email protected] de Juiz de Fora, Brazil. e­mail: tubes.com.br e­mail: vivizanuncio@yahoo. com.br SEP 2009, VOL. 34 Nº 9 0378­1844/09/09/645­05 $ 3.00/0 645 CARACTERÍSTICAS BiolÓgicas Y MorfolÓgicas de Hylesia paulex (Lepidoptera: SatURNiidae) alimeNtadas CON Eucalyptus urophylla (Myrtaceae) Alexandre Igor Azevedo Pereira, Virginia Vinha Zanuncio, Alexandre Simões Lorenzon, Hélder Bolognani, Bianca Vique Fernandes, Olaf Hermann Hendrik Mielke, José Eduardo Serrão y José Cola Zanuncio RESUMEN Hylesia spp. (Saturnidae), una polilla importante en salud pública huevos de H. paulex fue de 32 ±1,19 días con un 65,32 ±14,52% de debido a las cerdas urticantes de las larvas y/o de los adultos, son viabilidad y duración del estado larval de 67,83 ±0,84 días, con sie- recolectadas en diferentes ambientes con potencial de desfoliación de te instares. El comportamiento gregario es importante para mantener plantas tanto en agricultura como en sistemas forestales. Caracte- una alta tasa de supervivencia durante estos estados en H. paulex. rísticas biológicas y morfológicas de Hylesia paulex (Dognin, 1922) Los estados de pre-pupa y pupa del insecto duraron 3,87 ±0,16 y (Lepidoptera: Saturniidae) alimentados con Eucalyptus urophylla fue- 21,67 ±0,79 días, respectivamente. La longevidad de las hembras de ron estudiados en laboratorio. Larvas recién emergidas de esa espe- la especie fue de 4,50 ±0,54 días y para machos de 2,80 ±0,44 días. cie fueron separadas en vasos plásticos (500 ml) con 30 individuos El número medio de huevos por masa de huevos fue de 132,3. La por vaso y alimentados diariamente con hojas frescas de E. urophy­ polilla H. paulex completa su ciclo de vida, satisfactoriamente, con lla hasta alcanzar el estado adulto. El periodo de incubación de los hojas de E. urophylla en laboratorio. CARACTERÍSTICAS BiolÓgicas E MorfolÓgicas da Hylesia paulex (Lepidoptera: SatURNiidae) alimeNtadas com Eucalyptus urophylla (Myrtaceae) Alexandre Igor Azevedo Pereira, Virginia Vinha Zanuncio, Alexandre Simões Lorenzon, Hélder Bolognani, Bianca Vique Fernandes, Olaf Hermann Hendrik Mielke, José Eduardo Serrão e José Cola Zanuncio RESUMO Hylesia spp. (Saturniidae), mariposas importantes para a saúde ovos de H. paulex foi de 32,00 ±1,19 dias com 65,32 ±14,52% pública devido às cerdas urticantes de suas larvas e/ou adultos, de viabilidade e duração do estágio larval de 67,83 ±0,84 dias, são coletadas em diferentes hábitats com potencial de desfolhar com sete estádios. O comportamento gregário é importante para plantas em sistemas agrícolas e florestais. Parâmetros biológicos manter a alta taxa de sobrevivência durante esses estádios para e morfológicos de Hylesia paulex (Dognin, 1922) (Lepidoptera: H. paulex. Os estágios de pré-pupa e pupa desse inseto duraram Saturniidae) alimentada com Eucalyptus urophylla (Myrtaceae) 3,87 ±0,16 e 21,67 ±0,79 dias, respectivamente. A longevida- foram estudados em laboratório. Lagartas recém-emergidas dessa de das fêmeas dessa espécie foi maior (4,50 ±0,54 dias) que a espécie foram separadas em 10 potes plásticos (500ml) com 30 dos machos (2,80 ±0,44 dias). O número de ovos/postura foi de delas por pote e alimentadas, diariamente, com folhas frescas de 132,3. Mariposas de H. paulex completaram seu ciclo de vida, E. urophylla até o estágio adulto. O período de incubação dos satisfatoriamente, com folhas de E. urophylla em laboratório. The majority of the stud­ maire, 2002; Camargo, 2007), Material and Methods and transferred to Petri dishes ies on the Saturniidae fam­ except for research on Hylesia (9.0×1.5cm) and kept under ac­ ily (Rodríguez­Morales et al., nanus (Walker) by Santos et The study was carried out climatized chambers under the 2005; Salomon et al., 2005; al. (1996), H. nigricans (Berg) at the Laboratory of Biological same conditions as the pupa Iserhard et al., 2007; Lund­ by Specht et al. (2006a) and Control, Institute of Applied stage. Groups of 30 newly­ berg et al., 2007) refer to its H. metapyrrha (Walker) by Biotechnology to Agriculture hatched caterpillars of H. paulex capacity to cause dermatologic Specht et al. (2007). However, (BIOAGRO), Federal University were put in ten 500ml plastic irritations as for Hylesia spp. other studies should be per­ of Viçosa (UFV), Viçosa, Minas pots, with a screened cover in (Saturniidae: Hemileucinae). formed to obtain information Gerais, Brazil. the center, and fed daily with They are small to medium size on the behavior, life cycle and Pupae of Hylesia paulex fresh leaves of E. urophylla. moths, found from Mexico to adaptability of other species (Dognin, 1922) (Lepidoptera: The petiole of each eucalyptus Argentina (Lemaire, 2002). of that genus to specific hosts. Saturniidae) were collected in leaf was wrapped in a moist­ The occurrence of these moths Such data is important to pre­ a Eucalyptus spp. (Myrtaceae) ened cotton wad to avoid drying has also been recorded in pop­ vent lepidopterism and erucism plantation, in an area of savan­ and inserted in a plastic tube of ulation outbreaks in Brazil cases (dermatitis provoked by nah of Minas Gerais State, Bra­ odontological type anesthetic in agriculture (Camargo and moths and caterpillars, respec­ zil, and individualized in Petri (2.5ml) with distilled water. Becker, 1999; Glasser et al., tively) (Rodríguez­Morales dishes (9.0×1.5cm) at 25 ±2oC The eucalyptus leaves were 1993; Camargo, 2007; Iserhard et al., 2005) and to develop temperature, 60 ±10% relative washed in running water and et al., 2007; Moreira et al., combat strategies against them humidity and 12h photoperiod. bathed in sodium hypochlo­ 2007) and forest monocultures (Salomon et al., 2005). Recently­emerged H. pau- rite solution (10%) before be­ (Zanuncio et al., 1998, 2001, The present study had as a lex adults were maintained ing supplied to H. paulex, and 2006). main goal the study the biolog­ in screened wood cages renewed every 48h. The pots The genus Hylesia presents ical and morphological aspects 60×60×60cm) under field con­ were cleaned daily and substi­ ~110 species (Lemaire, 2002) of H.