Thynnine wasp

Handel S. N. and Peakall R. (1993) Thynnine wasps discriminate among heights when seeking mates tests with a sexually deceptive orchid. Oecologia 95, 241-245. 

The Australian orchid Chiloglottis trapeziformis relies on exclusive pollination by the thynnine wasp Neozeleboria cryptoides. The flowers have been found to release 2-ethyl-5-propylcyclohexane-l,3-dione, called chiloglottone (26), which is responsible for attracting male wasps and is also produced by female wasps as a sex... 

---