Why Study Cockroach Evolution?
- Cockroaches belong to an interesting taxonomic Order, the Dictyoptera,
including cockroaches, termites and preying mantids.
- Cockroaches- are asocial or pre-social.
- Termites- are social.
- Has social interaction created a
behavioral drive, accelerating termite evolution relative to cockroach evolution?
- Preying mantids- are antisocial (cannibalistic).
- Cockroaches have assumed a variety of reproductive strategies, providing
a variety of relationships between the generations.
- Oviparous- Egg laying.
- Ovoviviparous- Incubate eggs internally - embryos provided moisture; live birth.
- Viviparous- Larvae hatch in utero and feed and grow on mothers milk secreted in utero.
- Cockroaches have formed a relationship with humans during the recent
past creating the opportunity for evolutionary divergence between wild and
- Changes have occurred in the domesticated roach, Blattella germanica,
and its sibling species in the wild.
- Cockroaches are found around the world in a variety of environments.
- Under bark.
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Maintained by Joe Kunkel, firstname.lastname@example.org. © 2007.
Created: 2007/06/01 Updated: 2007/06/01