1. Female millipedes often build a nest and guard the developing eggs. In fairne

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1. Female millipedes often build a nest and guard the developing eggs. In fairness we should note that there are some species wherein the male guards the eggs, but that is clearly the exception. In fact, when we survey the animal kingdom for measures of paternal care (what sociobiologists call parental investment, or PI) we affirm the obvious; females of most species take care of the kids! We should understand why this sex-biased pa Offer some hypotheses as to why females of most animal species yield the highe st Pl. 2. Female millipedes are often better endowed with repugnatorial glands than males. In several local species, when females are attacked by spiders they release a quaalude-like compound which acts as a hypnotic (sedative) on the spider. But the female millepede is already doomed; she's been lethally bitten by a nasty spider. What's the point of wasting energy putting the predator to sleep if you are going to die anyway? (Quite a few animals release psychotropic agents when mauled by predators. Perhaps the fad of "toad-licking" among California drug aficionados is a prelude to "recreational millipede- licking" in the future, which is already performed by other primates, the lemurs.)

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