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- Factors that influence individual fecundity of queens and queen production in crazy ant Paratrechina fulva (Hymenoptera: Formicidae). Sociobiology. 39:323-334. 2002
- Immature development and Colony growth of crazy ant Paratrechina fulva under laboratory conditions (Hymenoptera : Formicidae)-. Sociobiology. 39:307-321. 2002