平へい均きん棍こん

noun

haltere; balancer

Technical term in entomology for the small knob-like balancing organ found in flies (Diptera).

• ハエの平へい均きん棍こんは、飛ひ行こう中ちゅうのバランスをとる役やく割わりを果はたす。

  The halteres of a fly serve to maintain balance during flight.