The "re-invasion" behavior of Japanese scorpionfly males that lost the male-male competition.(5.6MB, 00:00:13)Shot Date: 2020/05/13 Shot Location: Okayama | ||
 | species Panorpa japonica Key Words | |
|
The "re-invasion" behavior of Japanese scorpionfly males that lost the male-male competition.(5.6MB, 00:00:13)Shot Date: 2020/05/13 Shot Location: Okayama | ||
| species Panorpa japonica Key Words | |
|
Animalia >Arthropoda >Insecta >Mecoptera >Panorpidae >Panorpa >
A defeated male in a male-male competition, trying to re-enter the bait, and a male intercepting it. The loser male is running away from the winner male's attack.
Below is the abstract from the article containing this video:
Species of scorpionfly (Mecoptera) in the family Panorpidae perform wing-waving behaviors, whereby they rotate their front and rear wings at the same time. Previous studies have suggested that a male, which carries food for use as nuptial gifts for females, performs the wing-waving behavior when the male gives the gift to a female or competes with other males. However, when and how the wing-waving behavior occurs during a series of nuptial giftings and male-male competitions have not been investigated. Therefore, we here observed the role of wing-waving behavior during the processes of giving nuptial gifts and male-male competition in the Japanese scorpionfly in the laboratory and field. Unlike previous studies, only males performed wing-waving behavior toward females, while females did not exhibit the behavior in the wild. Also, males always performed wing-waving behavior before male-male competition. After a male-male competition, winner males continued wing-waving behavior, but loser males never performed the behavior against the winner male. A comparison of wing-waving behaviors before competitions between winner and loser males showed that the frequencies of wing-waving behaviors were higher in winner than in loser males. The present results suggest that the wing-waving behavior functions in the inter-sexual and intra-sexual selection in P. japonica. Digital video images related to the article are available at http:// www.momo-p.com/showdetail-e.php?movieid=momo210513pj01a and http://www.momo-p.com/showdetail-e.php?movie id=momo210513pj02a and http://www.momo-p.com/showdetail-e.php?movieid=momo210513pj03a.
Ryo Ishihara and Takahisa Miyatake (2021).
Wing-waving behaviors are used for conspecific display in the Japanese scorpionfly, Panorpa japonica. J. Ethol. 10.1007/s10164-021-00709-y
(Data No.momo210513pj03a)
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