. Ants; their structure, development and behavior. FIG. 245. Parasitic mites. (Berlese.) wlieeleri (dorsal view), fromLasins apliidicola; B, same, ventral view; hirticoma (dorsal view) from Ecitonschmitti; D, ventral view. 410 A\TS. all except the few pupa- that have been forgotten or overlooked by theants, but these few are >urficient to insure the survival of Lomechnsast rninosa in its struggle for existence. The singular life-histories of the Lomechusinse and other symphileshave been made the basis of a number of speculations by \ fact that the an
. Ants; their structure, development and behavior. FIG. 245. Parasitic mites. (Berlese.) wlieeleri (dorsal view), fromLasins apliidicola; B, same, ventral view; hirticoma (dorsal view) from Ecitonschmitti; D, ventral view. 410 A\TS. all except the few pupa- that have been forgotten or overlooked by theants, but these few are >urficient to insure the survival of Lomechnsast rninosa in its struggle for existence. The singular life-histories of the Lomechusinse and other symphileshave been made the basis of a number of speculations by \ fact that the ants actually rear and feed insects that destroy theirbrood is supposed by him to militate against natural selection, on the-numd that this principle can be invoked only to account for thedevelopment of characters beneficial to the species. He therefore. FIG. 246. Cillibaiw coinata, parasitic on Lasius (Janet.) A, Lasiasworker with three Cillibaiw in their normal position ; p, antenniform foot of Cilli-bano ; B, Caster of Lasins slightly compressed to show the black scars, (n) left bythe mouthparts of the Cillibano ; C, Cross-section of integument around one of thescars ; ina, articular membrane ; M. muscle fibres ; ca, adipocytes ; ci, intercalary cells ;D, rostrum of Cillibano; li, ligula : ch, chelicerae ; pa, palps; ga. acute galea. believes that the ants themselves act as the selecting agency, not onlyrearing and feeding the guests, but actually producing, by a kind ofunconscious cultivation, such symphilic characters as the trichomes andthe peculiar antennal modifications. This he calls amical selection and compares it with mans treatment of his domesticated animals andplants. The ants are induced to undertake this selection through thestrong appeal which the true guests make to their powerful and obses-sional philoprog
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Keywords: ., bo, bookcentury1900, bookdecade1910, booksubjectants, bookyear1910
