F. List, P. Lesne, S. T. Behmer, K. Zhu-Salzman, A. M. Tarone, E. L. Vargo
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Going back to the basics: the use of cricket powder as a protein supplement in artificial ant diets
The ability to keep stable, healthy colonies in laboratory settings is fundamental for conducting research on ants and particularly important for developing management tools for pest species. An important component for successful ant rearing is a suitable diet and a number of diets for feeding ants have been developed. Calcium caseinate as a protein supplement has been a widely used ingredient in ant diets, but it has become difficult to obtain. Therefore, there is a need to find an alternative protein supplement for rearing ants in captivity. Using the ant Nylanderia fulva as a model, the suitability of four alternative diets was tested against a calcium caseinate containing diet: (1) whey protein isolate fortified with calcium, (2) whey protein isolate, (3) sodium caseinate, and (4) cricket powder. We tested the performance of colony fragments fed on diets by comparing worker and queen mortality, as well as brood production for 6 weeks. Diet containing cricket powder performed better than all other diets, reflected by lower worker mortality and the addition of new workers and brood to the colony fragment, resulting in colony growth. Considering recent developments in the production of cricket powder making it a low cost and readily accessible ingredient, it should prove an effective protein supplement for rearing ants in captivity for other species.
期刊介绍:
Insectes Sociaux (IS) is the journal of the International Union for the Study of Social Insects (IUSSI). It covers the various aspects of the biology and evolution of social insects and other presocial arthropods; these include ecology, ethology, morphology, population genetics, reproduction, communication, sociobiology, caste differentiation and social parasitism. The journal publishes original research papers and reviews, as well as short communications. An international editorial board of eminent specialists attests to the high quality of Insectes Sociaux, a forum for all scientists and readers interested in the study of social insects.