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Die gegenseitige Verständigung bei den stachellosen Bienen
Zusammenfassung1.Alle bisher untersuchten Arten der Meliponini (10 Arten in Brasilien, 1 in Ceylon) verfügen über Verständigungsmethoden, womit beschäftigungslose Stockbienen alarmiert, d. h. zumExpand
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Communication between the Workers of Stingless Bees
RESUMO1. Todas as especies de Meliponini ate agora examinadas (10 especies no Brasil e 1 em Ceilao), dispoe de meios de intercomunicafao, por meio dos quais as abelhas sem ocupacao na colmeia podemExpand
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Plantas nectaríferas utilizadas por duas espécies de Melipona da Amazônia
Analisa-se o nectar de 302 abelhas de Melipona seminigra merrillae Cock. e 302 de abelhas de Melipona rufiventris paraensis Ducke, durante o periodo de maio de 1977 a abril de 1978, em Manaus. DoExpand
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Comparative anatomy of the male reproductive internal organs of 51 species of bees
The anatomy of the internal organs of the male reproductive apparatus (MRA) of adults and pupae was compared among 51 species of bees, including representatives of six families. Four different typesExpand
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Origin of males in Melipona subnitida estimated from data of an isozymic polymorphic system
In a population of the social bee Melipona subnitida of about 200 hives, from Mossoró, Northeastern Brazil, 54 hives were sampled and studied electrophoretically as far as the alleles Est-3S, Est-3MExpand
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Estudos sobre o gênero Melipona
Studies on the genus Melipona 1  - Introduction and acknowledgements. 2  - Systematica. Three modern trends in the systematics of the Meliponini are cited: Ducke (1916), Schwarz (1932) and MoureExpand
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Sex determination in bees XXI. Number of xo-heteroalleles in a natural population ofMelipona compressipes fasciculata (Apidae)
SummaryData are produced that allows estimating the number of xo-heteroalleles ofMelipona compressipes fasciculata as being equal to 20.0 (s=1.36) which does not differ significantly fromApisExpand
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Proportion of males sons-of-the-queen and sons-of-workers in Plebeia droryana (Hymenoptera, Apidae) estimated from data of an MDH isozymic polymorphic system
Stingless bees from 14 hives of Plebeia droryana were analysed for the MDH isozymic polymorphic system, which is controlled by four alleles, MDH1-1, MDH1-2, MDH1-3 and MDH1-4. The hives came fromExpand
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