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Testicular reabsorption in adult males of Melipona bicolor bicolor lepeletier (Hymenoptera, Apidae, Meliponini)
(2002-01-01)
The present paper reports morphological features of the testes reabsorption in adult male of Melipona bicolor bicolor. The ultrastructural features of the degenerating sperm cells and cyst cells are described. It is suggested ...
Testicular reabsorption in adult males of Melipona bicolor bicolor lepeletier (Hymenoptera, Apidae, Meliponini)
(2002-01-01)
The present paper reports morphological features of the testes reabsorption in adult male of Melipona bicolor bicolor. The ultrastructural features of the degenerating sperm cells and cyst cells are described. It is suggested ...
Histological and morphometric comparisons of worker and queen mandibular glands of Melipona bicolor bicolor (Hymenoptera, Meliponini)
(2002-01-01)
In the present investigation we analyzed both histology and area of secretory cells from workers, virgin and physogastric queen mandibular glands of Melipona bicolor bicolor Lepeletier. The histological differences observed ...
Histological and morphometric comparisons of worker and queen mandibular glands of Melipona bicolor bicolor (Hymenoptera, Meliponini)
(2002-01-01)
In the present investigation we analyzed both histology and area of secretory cells from workers, virgin and physogastric queen mandibular glands of Melipona bicolor bicolor Lepeletier. The histological differences observed ...
Comparative study of mandibular glands of Melipona bicolor queens obtained from polygynic and monogynic colonies
(Inst Histol Embriol-conicet, 2005-01-01)
The aim of the present study was analyze, by histological and morphometrical studies, mandibular glands of Melipona bicolor queens collected from monogynic and polygynic colonies and compare their level of development. The ...
Ultrastructural aspects of the mandibular gland of Melipona bicolor Lepeletier, 1836 (Hymenoptera : Apidae, Meliponini) in the castes
(Elsevier B.V., 2004-01-01)
The mandibular gland in Melipona bicolor workers and queens was studied by scanning and transmission electron microscopy. There is no difference in the gland anatomy between the castes, but the transmission electron ...
A comparative cytochemical study of the dufour gland in the eusocial bee Apis mellifera Linne, 1758 and Melipona bicolor Lepeletier, 1836
(Japan Soc Histochem Cytochem, 2004-01-01)
Dufour glands of Apis mellifera and Melipona bicolor were studied under light and transmission electron microscopy, using the cytochemical techniques of mercury bromophenol blue for protein detection, imidazole-buffered ...
Ultrastructural aspects of the mandibular gland of Melipona bicolor Lepeletier, 1836 (Hymenoptera : Apidae, Meliponini) in the castes
(Elsevier B.V., 2004-01-01)
The mandibular gland in Melipona bicolor workers and queens was studied by scanning and transmission electron microscopy. There is no difference in the gland anatomy between the castes, but the transmission electron ...