Egg size and desiccation survival in Trichostrongylus colubriformis (Nematoda: Trichostrongylidae)

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Abstract
It has been shown that in samples of the eggs of T. colubriformis, the smaller eggs (i) have a greater probability of survival when incubated at fixed temperature and saturation deficit; (ii) require less time to develop and hatch when incubated in water at constant temperature, and (iii) have a greater surface area relative to volume, than do the larger eggs.A hypothetical basis for the relation between egg size and desiccation survival is briefly discussed.