164,533 research outputs found

    Google Scholar als akademische Suchmaschine

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    Google Scholar is described as an academic search engine. Pros and cons of the service are displayed. Results of an empirical study (Mayr & Walter, 2007) are included

    Acanthoponera dentinodis Mayr

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    ....................................dentinodis Mayr. Sculpture finer..................................15. 15. Petiolar tooth reduced to a mere convexity (Brazil).Published as part of Wheeler, W. M., 1923, Ants of the genera Myopias and Acanthoponera., pp. 175-192 in Psyche 30 on page 19

    Heteroponera Mayr Reinstated

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    Heteroponera Mayr Reinstated(Hymenoptera: Formicidae). - Heteroponera Mayr(1887, Verh. zool.-bot. Ges. Wien, 37: 533) has remained suppressed as a synonym of Acanthoponera Mayr for many years. Wheeler (1923, loc. cit.) has shown, however that Acanthoponera can be split into two groups; one group {Acanthoponera s. str.) having the tarsal claws with an extra, strong tooth and a basal lobe (or tooth), while the second group (Anacanthoponera Wheeler) has the tarsal claws at most with a single, weak median tooth. In this second group, Wheeler included Heteroponera carinifrons Mayr, and since Heteroponera, with the genotype H. carinifrons, has precedence, it must be reinstated as a good genus. Anacanthoponera Wheeler (1923, Psyche, 30: 176, as a subgenus of Acanthoponera) is a new synonym of Heteroponera, since the genotype, Ponera dolo Roger, is congeneric with H. carinifrons. Acanthoponera is neotropical, and has well developed propodeal teeth and the petiolar apex produced as a long tooth or spine; Kusnezov (in litt.) finds A. mucronata to have 6, 4 palpal segmentation. Heteroponera is neotropical and Australasian, and the propodeal teeth and dentiform petiolar apex are absent or feebly developed; H. imbellis Emery has 3, 3 palpal segmentation (my dissection). Until more species can be critically examined, Acanthoponera and Heteroponera should be considered as distinct genera. Acanthoponera appears to be the most generalized living member of the Ectatommini, and is probably close to the stem from which the proceratiines, the myrmicines and Paraponera arose. - W. L. Brown, Jr., Museum of Comparative Zoology, Harvard University.Published as part of Brown, W. L., 1952, Heteroponera Mayr reinstated (Hymenoptera: Formicidae)., pp. 70 in Psyche 59 on page 7

    Cyphomyrmex auritus Mayr

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    1. Cyphomyrmex auritus Mayr - Brazil, Espirito Santo State. Santa Teresa, 24-11-1967, 400 m, W. L. Brown, Jr. leg. (MCZ) (extension of range of the species, hitherto known only from Sao Paulo and Santa Catarina States); Sao Paulo State: Caraguatatuba, 2-IV-1963, K. Lenko leg. (DZSP n. 2141), Ubatuba, 13-VII-1967, P. C. Montouchet leg. 1 alate female (DZSP).Published as part of Kempf, W. W., 1968, A new species of Cyphomyrmex from Colombia, with further remarks on the genus (Hymenoptera, Formicidae)., pp. 35-41 in Revista Brasileira de Biologia 28 on page 3

    Bothroponera sjostedti Mayr

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    Bothroponera sjostedti (Mayr) Text Figure 10 Eight workers taken by Dr. Bequaert at Malela agree very closely with Mayr's description of the types from Cameroon except in being smaller. They were nesting "under the fallen trunk of a palm in swampy ground." The type specimens were found by Sjostedt "in a rotten palm trunk," according to Mayr. The species is peculiar in its very small size, pale coloration and in having the eyes reduced to a few ommatidia.Published as part of Wheeler, W. M., 1922, The ants collected by the American Museum Congo Expedition., pp. 39-269 in Bulletin of the American Museum of Natural History 45 on page 7

    Tapinoma minutum , Mayr

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    No. 18. Tapinoma minutum, Mayr. Darwin, N.T., 5. vii. 13 (Hill), ☿.Published as part of Crawley W. C., 1915, Ants from north and south-west Australia (G. F. Hill, Rowland Turner) and Christmas Island, Straits Settlements. Part 2, pp. 232-239 in Ann. Mag Natur. Hist. 15 on page 23

    Pheidole capensis , Mayr

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    Ph. capensis, Mayr.,? var. dreyei, Em. ♃ ☿ Natal, 1917 (Buxton).Published as part of Crawley, W. C., 1920, Ants from Mesopotamia and north-west Persia (concluded), pp. 177-179 in Entomologists Record and Journal of Variation 32 on page 2, DOI: 10.5281/zenodo.1500

    Anochetus punctaticeps Mayr

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    Anochetus punctaticeps Mayr Eighteen workers from Babeyru, forming part of a colony "found under bark on a large tree " (Lang and Chapin).Published as part of Wheeler, W. M., 1922, The ants collected by the American Museum Congo Expedition., pp. 39-269 in Bulletin of the American Museum of Natural History 45 on page 9

    Acantholepis frauenfeldi , Mayr

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    Acantholepis frauenfeldi, Mayr. ♀☿. N.E. of Baghdad, 1918, and several other localities (Evans).Published as part of Crawley, W. C., 1920, Ants from Mesopotamia and north-west Persia (concluded), pp. 177-179 in Entomologists Record and Journal of Variation 32 on page 1, DOI: 10.5281/zenodo.1500
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