Great Plains Research 12:261-273, Vásquez-Bolaños M. 2011. Please try refreshing the page. is back-ordered. A taxonomic study of Nebraska ants, or Formicidae (Hymenoptera). The colonies are very populous and the workers pugnacious. 4: 426-488. Western North American Naturalist 67(4): 469491. It must be kept in mind that P. occidentalis occupies a range of cool nights (even in summer) and hot days. Insectes Soc. Their diet still relies heavily on grass and other seeds, but they also may act as predators, and as such a larger portion of their diet is to be made up of insect/invert protein. Part of Springer Nature. Rees D. M., and A. W. Grundmann. 2; blade broad, wider distally than basally; provided generally with 6 or 7 well-developed teeth; basal most tooth notably larger than penultimate, distinctly offset from the broadly and weakly convex basal mandibular margin with which it makes a pronounced rounded angle, curved somewhat inwardly; masticatory border rather strongly oblique; apical margin straight proximally, weakly convex distally. Their nest cones can be seen in aerial photos and have been recorded as persisting for more than than forty years. Ecography 24: 381-392. Husked within the nest and stored in subterranean or mound chambers, these highly nutritious seeds become the paramount food for the society, sustaining the ants even through the winter. 2002. Figure 22.10. Largely with the characters of the worker. We’re sorry, something doesn't seem to be working properly.
The existence of the genetically influenced systems represents a puzzling evolutionary question. Pp.
Keeping ants as pets has been a common hobby since the mass-marketed Uncle Milton's Ant Farm achieved commercial success in the late 1950s, though these ant farms did not include a queen ant for legal reasons.
The protein component of the diet of M. mexicanus is almost exclusively dead or moribund workers of P. occidentalis.
Indeed, in parental P. rugosus as well as dependent lineages, a maternal effect in incipient colony queens results only in workers being produced; overwintering is necessary before the queen caste can develop.
Though caste differentiation is mostly controlled by environmental and social factors, recent studies have documented genetic influences on queen–worker differentiation. This system is particularly interesting because, for a queen to found a successful colony, she must mate with males from both lineages in order to produce both female castes (Schwander et al., 2010). The spatial distribution of seeds consumed by Pogonomyrmex ranges from highly clumped to randomly dispersed.
77: 493-514 (page 507, Senior synonym of ruthveni), Shattuck, S. O.
A study of the genus in North America.
Bulletin of the American Museum of Natural History 22: 329-345. Epinotum armed with a pair of tubercles or weak to strong, broad, blunt or sharp angles. It is a very aggressive species and can inflict numerous painful stings in a surprisingly short period of time. Catalog of Hymenoptera in America north of Mexico. Reproduced from Parker, J.D., 2004.
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