They are incapable of making their own nests, or of feeding their own larvae. 查尔斯·达尔文.物种起源.
In England the masters alone usually leave the nest to collect building materials and food for themselves, their slaves and larvae. 查尔斯·达尔文.物种起源.
Both in Switzerland and England the slaves seem to have the exclusive care of the larvae, and the masters alone go on slave-making expeditions. 查尔斯·达尔文.物种起源.
This philosophical naturalist, I may add, has also shown that the muscles in the larvae of certain insects are far from uniform. 查尔斯·达尔文.物种起源.
In most cases, however, the larvae, though active, still obey, more or less closely, the law of common embryonic resemblance. 查尔斯·达尔文.物种起源.
Cases can even be given of the larvae of allied species, or groups of species, differing more from each other than do the adults. 查尔斯·达尔文.物种起源.