Abstract
O comportamento de acasalamento da mariposa Atheloca subrufella Hulst, 1887 (Lepidoptera: Pyralidae) foi investigado em arenas de laboratório. As descrições de corte e cópula em machos e fêmeas foram baseadas em observações diretas de casais virgens. Os resultados dos bioensaios de corte e cópula compreendem diversos padrões comportamentais tais como, antenação, busca pela fêmea (caminhando e/ou voando), encontro da fêmea, comportamento de chamamento da fêmea, exibição da glândula de feromônio, tentativa de cópula e cópula. Para isso, foram apresentados etogramas comportamentais de corte e cópula. Os resultados também sugerem que o comportamento de acasalamento em A. subrufella é mediado por um feromônio de longa distância e pela presença de um feromônio de curta distância. De maneira geral, esta pesquisa apresenta-se como estudo base para futuras investigações sobre o feromônio sexual de A. subrufella e desenvolvimento de novas estratégias de controle comportamental.
Highlights
The study of mating behavior in insects is the first step for the development of sexual behavioral control strategies
Courtship bioassays During the arena bioassays was observed some behavioral patterns presented by A. subrufella adults
A. subrufella adults with at least 24 hours age were used in the bioassays, ensuring sexual maturity (BENTO et al, 2006)
Summary
The study of mating behavior in insects is the first step for the development of sexual behavioral control strategies. Researches regarding calling behavior, presence or absence of pheromone gland, courtship and copulation patterns are being developed and stand as important tools to allow a better understanding and more accurate application of Lepidoptera control techniques (BARRADAS-JUAN et al, 2016; NASCIMENTO et al, 2016; SHI et al, 2018). According to Parra-Pedrazolli and Leal (2006), female moths produce a mixture of pheromone compounds and the complete bouquet is responsible for male attraction. The coconut moth Atheloca subrufella (Hulst, 1887) [=Hyalospila ptychis (Dyar, 1919)] (Lepidoptera: Pyralidae) is an important coconut pests, presenting wide distribution in Brazil (FERREIRA et al 2002), it was reported in other countries such as the USA, Mexico, Cuba, and the Virgin Islands According to FAO (2017) Brazil is the world's fifth largest producer of coconuts, reaching approximately a production of 2.4 million of tonnes in an area of 108,629.00 ha
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