rule 34 4 legs after transformation ambiguous gender antennae anatomy anthro arthropod arthropod abdomen arthropod abdomen genitalia arthropod abdomen pussy bodily fluids chrysalis claws duo egg egg laying exoskeleton female feral genital fluids genitals insect wings insects laboratory lying mandibles mantis multi eye multi limb observation window on back open mouth pregnant pseudo pupils purple body purple exoskeleton purple eyes pussy scientific experiment scientist slug artist solo focus tan body tongue tongue out wings 6518899