Fall Armyworm Symposium: Passive Choice and Possible Mate Guarding in the Stonefly Pteronarcella Badia (Plecoptera: Pteronarcyidae)

David D. Zeigler


Evidence for passive choice for near males in Pteronarcella badia was demonstrated by comparing female answering rates to near males (30 cm distance) versus distant males (60 cm distance). Though statistically different, female answering rates were high to both near and distant males suggesting that males may engage in a form of scramble competition to locate the female before another competing male(s). Evidence for mate guarding in P. badia is presented and discussed. The possibility of purposeful interference signaling between near and distant males was considered, but the data gave no indication of this behavior.

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