Naïve kin groups and mixed‐family groups of bluegill Lepomis macrochirus larvae were exposed to a novel predator cue. The larvae responded by increasing shoal cohesiveness in kin groups but not in mixed‐family groups; moreover, larvae sired by males of the...
Ecological investigations of the pitcher plant sarcophagid fly (Blaesoxipha fletcheri) indicate that larvae of this species are highly aggressive. The ecological basis of the larval behavior and spacing system is examined in terms of resource utilization. The unusual...