Cool fact: Cook Trig in Wahroonga is a well-known butterfly hill-topping site. Hill-topping behaviour is seen in certain butterflies and often facilitates the meeting of the sexes and so these sites are critical for the conservation of many butterfly species.
Blue flower wasps – Scolia sp.
Common dusky blue - Candalides hyacinthinus
Common brown butterfly - Heteronympha merope
Common jezebel - Delias nigrina
Green ant – Diamma bicolor
Monarch butterfly – Danaus plexippus
Pencilled Blue - Candalides absimilis
Potter wasps – e.g. Abispa ephippium
Small grass yellow - Eurema smilax
Spider wasps – e.g. Cryptocheilus bicolor