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ASIAN RED PAPER WASP (Ropalidia marginata) ©Rundstedt-Rovillos / Solent
Primitively eusocial societies are typically headed by behaviourally  aggressive queens, who use aggression to suppress worker reproduction.  The queen in R. marginata, however, is a “docile sitter” who does not use physical aggression to maintain her reproductive monopoly in the colony.
The queen is also not responsible for maintaining worker activity in her colony, as in similar species. However, the queen in R. marginata is able to maintain complete reproductive monopoly in the colony. It has been argued for several years that the R. marginata queen uses a pheromone to signal her presence and fecundity  to her workers, and this signal is perceived by the workers who refrain  from reproducing; however, it has been shown that any such pheromone is  non-volatile.
Fact Source: http://en.wikipedia.org/wiki/Ropalidia_marginata
Other photos you may like:
Large Yellow Paper Wasp
Euchartid Wasp - also Rundstedt-Rovillos
Japanese Giant Hornet

ASIAN RED PAPER WASP (Ropalidia marginata) ©Rundstedt-Rovillos / Solent

Primitively eusocial societies are typically headed by behaviourally aggressive queens, who use aggression to suppress worker reproduction. The queen in R. marginata, however, is a “docile sitter” who does not use physical aggression to maintain her reproductive monopoly in the colony.

The queen is also not responsible for maintaining worker activity in her colony, as in similar species. However, the queen in R. marginata is able to maintain complete reproductive monopoly in the colony. It has been argued for several years that the R. marginata queen uses a pheromone to signal her presence and fecundity to her workers, and this signal is perceived by the workers who refrain from reproducing; however, it has been shown that any such pheromone is non-volatile.

Fact Source: http://en.wikipedia.org/wiki/Ropalidia_marginata

Other photos you may like:

Large Yellow Paper Wasp

Euchartid Wasp - also Rundstedt-Rovillos

Japanese Giant Hornet

Notes

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  8. njwight said: nasty looking!
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