Damon diadema sexing at instar 2

[KevinsWither]

Is it possible to sex Damon diadema via vents at instar 2 (off the mom/feeding)?

 

[wizentrop]

no

 

[Banshee05]

ones the left the mother's back, you can sex them via the red hairs on the posterior end of the genital operculum. At least if you have good eyes, or somehow fix the animals and use a magnification lense... or whatever.