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    Feeding And Oviposition Preference Of Phyllophaga Cuyabana (moser) (coleoptera: Melolonthidae) On Several Crops

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    Laboratory and greenhouse experiments were carried out to study food and oviposition preference by Phyllophaga cuyabana (Moser) on different plant species as Cajanus cajan L. (pigeon pea), Crotalaria juncea L. (sun hemp), Crotalaria spectabilis Roth (showy crotalaria), Crotalaria ochroleuca G. Don (slenderleaf rattlebox), Glycine max [L.] Merrill (soybean), Gossypium hirsutum L. (cotton), Helianthus annuus L. (sunflower), Stizolobium aterrimum [Mucuna aterrima] Piper & Tracey (velvetbean) and Zea mays L. (mayze). In no-choice experiments, the number of eggs layed in sunflower, C. juncea and soybean was larger compared to cotton. Despite the fact that the adults did not discriminate among plants, in dual-choice test, the proportion of eggs layed and leaf consumption by P. cuyabana adults in soybean were significantly higher than in C. spectabilis. The larval distribution in the soil was at random in multiple-choice, withouth any trend of preference, but in dual-choice, when soybean was the control, larvae always preferred to feed on its roots. P. cuyabana adults had preference for more suitable hosts and that could stand their offspring survival. This behaviour can be usefully exploited in an integrated management program for this pest.365759764Craig, T.P., Itami, J.K., Price, P.W., A strong relationship between oviposition preference and larval performance in a shoot-galling sawfly (1989) Ecology, 70, pp. 1691-1699Diagne, A. 2004. Seasonal occurrence of Phyllophaga species and biological studies of Phyllophaga ephilida (Say) on sweet potato, Ipomoea batatas (1) Lam, in Louisiana. PhD thesis, Louisiana State University and Agricultural and Mechanical College, Baton Rouge, 101pMoron, M.A., (1986) El genero Phyllophaga en México: Morfología, distribución y sistematica supraespecifica, , México, Instituto de Ecología, 341pOliveira, L.J., B. Santos, J.R.P. Parra & C.B. Hoffmann-Campo. 2004. Coró-da-soja, p.151-176. In J.R. Salvadori, C.J. Ávila & M.T.B. da Silva (org.), Pragas de solo no Brasil. Passo Fundo, Embrapa Trigo, Embrapa Agropecuária Oeste, Fundacep, 541pOliveira, L.J., Garcia, M.A., Flight, feeding and reproductive behaviour of Phyllophaga cuyabana (Moser) (Coleoptera: Melolonthidae) adults (2003) Pesq. Agropec. Bras, 38, pp. 179-186Potter, D.A., Held, D.W., Biology and management of the Japanese beetle (2002) Annu. Rev. Entomol, 47, pp. 175-205Silva, M.T.B. da & J.R. Salvadori. 2004. Coró-das-pastagens, p.191-210. In J.R. Salvadori, C.J. Ávila & M.T.B. da Silva (org.), Pragas de solo no Brasil. Passo Fundo, Embrapa Trigo, Embrapa Agropecuária Oeste, Fundacep, 541pSilva, da, M.T.B., Tarragó, M.F.S., Link, D., Costa, E.C., Preferência de oviposição de Diloboderus abderus (Sturm) por restos de culturas em solo com plantio direto (1996) An. Soc. Entomol. Brasil, 25, pp. 83-87Rausher, M.D., Alteration of oviposition behaviour by Battus philenor butterflies in response to variation in host-plant density (1983) Ecology, 64, pp. 1028-1034Thompson, H.N., Evolutionary ecology of the relationship between oviposition preference and performance of offspring in phytophagous insects (1988) Entomol. Exp. Appl, 47, pp. 3-14Travis, B.V., Habits of the June beetle, Phyllophaga lanceolata (Say), in Iowa (1939) J. Econ. Entomol, 32, pp. 690-69

    Seasonal And Vertical Distribution Of Phyllophaga Cuyabana (moser) (coleoptera: Melolonthidae) In The Soil Profile [distribuição Estacional E Vertical De Phyllophaga Cuyabana (moser) (coleoptera: Melolonthidae) No Perfil Do Solo]

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    Phyllophaga cuyabana (Moser) temporal and vertical distribution patterns were evaluated in the soil profile, in order to subsidize methodology for population sampling, aiming at its management. In insect surveys carried out during three years, in Boa Esperança County, State of Parana, Brazil, Phyllophaga cuyabana was univoltine, with little overlap of the larval stages. Population peaked during December-February, but declined during the colder months, when larvae were in diapause. Different developmental stages exploited distinct soil depths. Eggs and early first instars tended to concentrate between 5 cm and 10 cm deep, but they spread more uniformly through the soil profile, reaching depths up to 30 cm, as they developed. Adults and eggs occurred in the spring (October to December) when active larvae also started to be observed; feeding larvae occurred up to late-April between 0 to15 cm deep. Diapausing larvae and pupae were observed from early fall to early spring, mostly from 15 cm to 30 cm deep. Throughout the year, the number of insects in the soil (up to 40 cm deep) showed a positive functional relationship with air temperature and evapotranspiration. The relationship of percent distribution of larvae in the soil profile and soil temperature, however, was positive only above 10 cm. To estimate the insect population from November to April, samples can be collected until 20 cm deep; from May to October, however, samplings should be deeper, up to 30 cm.385582588Aragón-García, A.A., Morón, M.A., López-Olguín, J.F., Cervantes-Peredo, L.M., Ciclo de vida y conducta de adultos de cinco especies de Phyllophaga Harris, 1827 (Coleoptera: MelolonthidaeMelolonthinae) (2005) Acta Zool Mex Nueva Ser, 21, pp. 87-99Aragón-García, A.A., Morón, M.A., Marín-Jarillo, A., (2003) Estudios sobre coleópteros del suelo en America, p. 359. , San Miguel de Allende, Benemérita Universidad Autónoma de PueblaDeloya, C., El genero Phyllophaga Harris en Cuernavaca, Morelos, Mexico (Coleoptera: Melolonthidae, Melolonthinae) (1993) Diversidad y manejo de plagas subterráneas, 261, pp. 39-54. , In Moro ́n M A (org), Xalapa, Sociedad Mexicana de Entomologia- Instituto de EcologiaDiagne, A., (2004) Seasonal occurrence of Phyllophaga species and biological studies of Phyllophaga ephilida (Say) on sweet potato, Ipomoea batatas (l) Lam, in Louisiana, p. 101. , PhD thesis, Graduate Faculty of the Louisiana State University and Agricultural and Mechanical College, Baton RougeGarcia, M.A., Oliveira, L.J., de Oliveira, M.C.N., Aggregation behavior of Phyllophaga cuyabana (Moser) (Coleoptera: Melolonthidae): Relationships between sites chosen for mating and offspring distribution (2003) Neotrop Entomol, 32, pp. 537-542Gaylor, J.M., Frankie, G.W., The relationship of rainfall to adult flight activity and of soil moisture to oviposition behavior and egg and first instar survival in Phyllophaga crinita (1979) Environ Entomol, 8, pp. 591-594Globoza, A.P., Weiss, M.J., Rao, M.B., Spatial distribution of Phyllophaga implicita (Horn) (Coleoptera: Scarabaeidae) larvae in relation to distance from the adult food source (1998) J Econ Entomol, 91, pp. 457-463Morón, M.A., (1986) El genero Phyllophaga en México: Morfología, distribución y sistemática supraespecifica, p. 341. , México, Instituto de EcologíaMorón, M.A., Melolontídeos edafícolas (2004) Pragas de solo no Brasil, 541, pp. 133-166. , In Salvadori J R, A ́vila C J, da Silva M T B (orgs), Passo Fundo, Embrapa Trigo, Embrapa Agropecuária Oeste, FundacepOliveira, L.J., Garcia, M.A., Flight, feeding and reproductive behaviour of Phyllophaga cuyabana (Moser) (Coleoptera: Melolonthidae) adults (2003) Pesq Agropec Bras, 38, pp. 179-186Oliveira, L.J., Garcia, M.A., Hoffmann-Campo, C.B., do Amaral, M.L.B., Feeding and oviposition preference of Phyllophaga cuyabana (Coleoptera: Melolonthidae) on several crops (2007) Neotrop Entomol, 36, pp. 759-769Oliveira, L.J., Santos, B., Parra, J.R.P., do Amaral, M.L.B., Magri, D.C., Ciclo biológico de Phyllophaga cuyabana (Moser) (Scarabaeidae: Melolonthinae) (1996) An Soc Entomol Bras, 25, pp. 433-439Oliveira, L.J., Santos, B., Parra, J.R.P., Hoffmann-Campo, C.B., (2004) Coró-da-soja, pp. 151-176. , In Salvadori J R, Ávila C J, da Silva M T B (orgs), Pragas de solo no Brasil. Passo Fundo, Embrapa Trigo, Embrapa Agropecuária Oeste, FundacepRiis, L., Esbjerg, P., Season and soil moisture effect on movement, survival, and distribution of Cyrtonemus bergi (Hemiptera: Cydnidae) within the soil profile (1998) Environ Entomol, 27, pp. 1182-1189Salvadori, J.R., da Silva, M.T.B., Coró-do-trigo (2004) Pragas de solo no Brasil, pp. 211-232. , In Salvadori J R, Ávila C J, da Silva M T B (orgs), Passo Fundo, Embrapa Trigo, Embrapa Agropecuária Oeste, FundacepSantos, B., (1992) Bioecologia de Phyllophaga cuyabana (Moser 1918) (Coleoptera: Scarabaeidae), praga do sistema radicular da soja [Glycine max (L.) Merrill, 1917], p. 111. , M Sc dissertation, Universidade de São Paulo, PiracicabaSouthwood, T.R.E., (1975) Ecological methods with particular reference to the study of insect populations, p. 319. , London, Chapman and HallVillani, M.G., Wright, R.J., Entomogenous nematodes as biological control agents of European chafer and Japanese beetle (Coleoptera: Scarabaeidae) larvae infesting turfgrass (1988) J Econ Entomol, 81, pp. 484-48Watschke, L.T., Dernoeden, H.P., Shetlar, D.J., (1995) Managing turfgrass pests, p. 361. , Boca Raton, Lewis PublishersZarbin, P.H.G., Soares, W.L., Ávila, C.J., Oliveira, L.J., Identification of the sex pheromone of Phyllophaga cuyabana (Coleoptera: Melolonthidae) (2007) Tetrahedron Lett, 48, pp. 1991-199
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