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New record for the army ant Labidus mars (Formicidae: Ecitoninae) in the Atlantic Rain Forest of São Paulo State, Brazil
(2003-08-18)
The occurrence of the army ant Labidus mars in Mogi das Cruzes (SP, Brazil) is recorded and includes additional information about the area, diet and foraging schedule of this rare army ant. This species of Ecitoninae was ...
Size of fat body trophocytes and the ovarian development in workers and queens of Melipona quadrifasciata anthidioides
(2003-07-08)
The correlation between trophocyte size and ovarian development is negative in workers and positive in queens of Melipona quadrifasciata anthidioides. The nurse workers which have the ovaries in a higher developmental ...
Morphological and physiological caste differences in Synoeca cyanea (Hymenoptera, Vespidae, Epiponini) according to the ontogenetic development of the colonies
(2003-07-08)
Morphological caste differences in different stages of the biological cycle in Synoeca cyanea were not distinct. Females presented a gradual sequence in ovarian development from filamentous ovarioles to well developed ones ...
Apis mellifera (Hymenoptera, Apini) Ovary Development in Queens and in Workers from Queenright and Queenless Colonies
(2003-12-08)
A morphological study of the development of the ovaries in workers from queenright and queenless colonies and queens of Apis mellifera is presented and discussed. The mating stimulates the ovary development and the egg-laying. ...
A method for rearing immature stages of Apis melifera outside the colony (Hymenoptera: Apidae)
(2002-01-01)
The objective this work is to define an effective method for following the development of immatures of Apis mellifera from metamorphosis to the emergence of the adult, under conditions allowing the application of diverse ...
Cytogenetic studies in Diplopoda
(2002-09-01)
The Diplopoda have received little attention from cytogeneticists owing mostly to technical difficulties in obtaining mitotic chromosomes, restricting the studies to meiosis and eventual spermatogonial metaphases, which ...
Development of worker ovaries in Brazilian Africanized honeybees (Hymenoptera: Apidae)
(2004-11-23)
The present paper compares the worker ovaries development in queen right and orphaned colonies of Brazilian Africanized honeybee. The results show that in both colonies some workers starting 20 days after emergence, present ...
Reproductive strategy of Coptotermes gestroi (Isoptera: Rhinotermitidae) in Brazil
(2004-07-26)
The termite Coptotermes gestroi (Wasmann) (Rhinotermitidae) is an exotic species in Brazil. This species forms colonies headed by primary reproductives, however, non-functional neotenics are commonly found even in the ...
Fecundity of the mangrove crab Ucides cordatus (Linnaeus, 1763) (Brachyura, Ocypodidae)
(2003-03-01)
Females of the mangrove crab Ucides cordatus were collected in a monthly basis along a 2-year period at the mangrove areas of Iguape, SP, Brazil. Ovigerous individuals were measured (CW, carapace width) and weighed (WW, ...