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Survey of ear flies (Diptera, Ulidiidae) in maize (Zea mays L.) and a new record of Euxesta mazorca Steyskal in Brazil
Cruz, I.; da Silva, R.B.; Figueiredo, M.L.C.; Penteado-Dias, A.M.; Sarto, M.C.L.D.; Nuessly, G.S. (2011). Survey of ear flies (Diptera, Ulidiidae) in maize (Zea mays L.) and a new record of Euxesta mazorca Steyskal in Brazil. Revista Brasileira de Entomologia 55(1): 102-108. https://dx.doi.org/10.1590/s0085-56262011000100016
In: Revista Brasileira de Entomologia. Soc Brasileira Entomologia: Curitiba. ISSN 0085-5626; e-ISSN 1806-9665
|   |
| Author keywords |
Corn silk fly; food attractant; maize pest; traps; Tephritoidea. |
| Auteurs | | Top |
- Cruz, I.
- da Silva, R.B.
- Figueiredo, M.L.C.
|
- Penteado-Dias, A.M.
- Sarto, M.C.L.D.
- Nuessly, G.S.
|
|
| Abstract |
Survey of ear flies (Diptera, Ulidiidae) in maize (Zea mays L.) and a new record of Euxesta mazorca Steyskalin Brazil. Species of Euxesta (Diptera, Ulidiidae), known as silk flies or ear flies, are becoming increasingly important as maize insect pests in South America, although very little is known about them in Brazil. The larvae of some species of this genus initially damage female reproductive tissues, and then the developing kernels on the ear. As a result of feeding, fermentation and associated odors cause complete loss of the grain because it is no longer fit for human or livestock consumption. The main objective of this work was to evaluate the incidence of Euxesta spp. in Brazilian maize fields and to determine the most prevalent species using two different hydrolyzed protein foods attractants, BioAnastrepha® (hydrolyzed maize protein) and Torula, placed inside McPhail traps. The two species identified were E. eluta Loew and E. mazorca Steyskal, the latter being a new record from Brazil. Between the two species, E. eluta was the more abundant in maize fields. Both attractants were efficient in capturing the two species. However, BioAnastrepha® captured significantly more insects than Torula. |
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