منابع مشابه
Discovering the Giant Nest Architecture of Grass-Cutting Ants, Atta capiguara (Hymenoptera, Formicidae)
Atta capiguara is a grass-cutting ant species frequently found in Cerrado biome. However, little is known about the giant nest architecture of this ant. In this study, we investigated the architecture of three A. capiguara nests from a fragment of Cerrado in Botucatu, São Paulo, Brazil. Casts were made of the nests by filling them with cement to permit better visualization of internal structure...
متن کاملIsoenzymatic polymorphism in the leaf-cutting ant Atta capiguara Gonçalves (Hymenoptera: Formicidae).
This study was carried out to analyze the genetic population structure of Atta capiguara from 12 nests collected in Tapejara in the state of Paraná, Brazil, using isoenzyme polymorphisms. The analyzed isoenzymes were esterases (EST-EC 3.1.1.1), acid phosphatase (ACP-EC 3.1.3.2) and carbonic anhydrase (CA-EC 4.2.1.1). Ten loci were found in A.capiguara and four polymorphic loci were detected. Th...
متن کاملEffect of Tithonia diversifolia Mulch on Atta cephalotes (Hymenoptera: Formicidae) Nests
Recent studies have shown an insecticidal effect of Tithonia diversifolia (Hemsl.) Gray (Asterales: Asteraceae) foliage on workers of Atta cephalotes L. and inhibitory effects of this plant on the growth of the symbiotic fungus Leucoagaricus gongylophorus (A. Müler) Singer. To evaluate the potential of T. diversifolia as a biological control treatment of this important pest, we assessed the eff...
متن کاملNuclear mitochondrial-like sequences in ants: evidence from Atta cephalotes (Formicidae: Attini).
Nuclear mitochondrial-like sequences (numts) are copies of mitochondrial DNA that have migrated to the genomic DNA. We present the first characterization of numts in ants, these numts being homologues to a mitochondrial DNA fragment containing loci the 3' portion of the cytochrome oxidase I gene, an intergenic spacer, the tRNA leucine gene and the 5' portion of the cytochrome oxidase II gene. A...
متن کاملUltramorphology of the Metapleural Gland in Three Species of Atta (hymenoptera, Formicidae)
Differences among the metapleural glands of four female castes of Atta bisphaerica Forel, 1908, A. capiguara Gonçalves, 1944 and A. sexdens rubropilosa Forel, 1908 were examined by scanning electron microscope. There were no differences in gland size between the same castes of these species, although the opening gland in A. sexdens rubropilosa had been twice as large as A. bisphaerica. The rela...
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ژورنال
عنوان ژورنال: Memórias do Instituto Oswaldo Cruz
سال: 1950
ISSN: 0074-0276
DOI: 10.1590/s0074-02761950000100010