Life history studies of the species have been carried in a series of controlled chambers in which the temperature and humidity have been constant. Interesting data has been accumulated with reference to length of instars, longevity and fecundity as inhibited or stimulated by a prescribed environment. The retardant influence of low temperature and humidity on the rate of development and reproduction of the species, together with the corresponding acceleration, which increases in these factors of the environment bring forth, are clearly indicated in the tabular and graphical presentation of the results.
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Alfred C. Weed (1927) studied this question.