. Ants; their structure, development and behavior. FIG. 54. Males of Potiera. (Emery.)A. Winged male of Poncra coarctata; male of P. eduardi; C, ergatomorphicmale (ergataner) of P. eduardi; D, ergatanerof P. punctatissima. 94 ANTS. 2. The macraner is an unusually large form of male which occa->inally occurs in populous colonies. 3. The micrancr or dwarf male, differs from the typical formmerely in its smaller >tature. Such forms often arise in artificial nests. 4. The dor\htncr is an unusually large form peculiar to the driver. FIG. 55. Acanthomyops claviger and A. latipes. (Ori
. Ants; their structure, development and behavior. FIG. 54. Males of Potiera. (Emery.)A. Winged male of Poncra coarctata; male of P. eduardi; C, ergatomorphicmale (ergataner) of P. eduardi; D, ergatanerof P. punctatissima. 94 ANTS. 2. The macraner is an unusually large form of male which occa->inally occurs in populous colonies. 3. The micrancr or dwarf male, differs from the typical formmerely in its smaller >tature. Such forms often arise in artificial nests. 4. The dor\htncr is an unusually large form peculiar to the driver. FIG. 55. Acanthomyops claviger and A. latipes. (Original.) A. Deiilated femaleof A. cliiiiger; B, a-female of A. latipcs ; C. /3-female of same. and legionary ants of the subfamily Dorylinre (Dorylns and is characterized by its large and peculiarly modified mandibles, longcylindrical gaster and singular genitalia (Figs. 141, E, and 142). Itmay be regarded as an aberrant macraner that has come to be thetypical male of the Dorylinse. 5. The crgatancr, ergatomorphic, or ergatoid male resembles theworker in having no wings and in- the structure of the antennae. Itoccurs in the genera Poncra. , Syiuniyniiica, and Cardiocondyla. In certain species of Poncra ( P. pinicta-tissiina and crgatandria] and in Formicoxen-ns nitiditlits the head andthorax are surprisingly worker-like, in other forms like Syniiiivnnicachaiiibcrlini these parts are more like those of the ordinary ant. whileP. cduardi shows a more intermediate development of the head with a POLY
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Keywords: ., bo, bookcentury1900, bookdecade1910, booksubjectants, bookyear1910
