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NEW CASES OF GYNANDROMORPHISM IN XYLOCOPA LATREILLE, 1802 (HYMENOPTERA: APIDAE) Pap. Avulsos de Zool. (São Paulo)
ZAMA,PAULA CAETANO; COELHO,IGOR RISMO.
ABSTRACT Gynandromorphism is the most common case of sexual anomaly reported in bees and is characterized by individuals that show male and female traits simultaneously in the body. Gynandromorphic cases have been reported for 140 species of bees, an underestimated number comparing to the twenty thousand bee species described nowadays. Here we describe and illustrate the first case of a gynandromorphic Xylocopa darwini Cockerell, 1926 and the fourth case of Xylocopa varipuncta Patton, 1879. The specimens show a mixed form of gynandromorphism with predominantly female features and with all its male traits concentrated in one side of the body, right side in X. darwini and left side in X. varipuncta. The gynanders of X. darwini and X. varipuncta were...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Carpenter bee; Gynandromorphy; Neoxylocopa; New World; Xylocopini.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0031-10492017002400313
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A NEW SPECIES OF XYLOCOPA (NANOXYLOCOPA) FROM BRAZIL (HYMENOPTERA, APIDAE) Pap. Avulsos de Zool. (São Paulo)
MELO,GABRIEL A.R..
ABSTRACT Xylocopa bella sp. nov., the second known species of the subgenus Xylocopa (Nanoxylocopa) Hurd & Moure, is newly described from the Espinhaço mountain range, in the state of Minas Gerais, and the Chapada Diamantina, in the state of Bahia, in eastern Brazil. It differs from X. ciliata Burmeister, the type species of X. (Nanoxylocopa), mainly by the possession, by females, of pale hairs intermixed with the black pubescence on the head and metasoma, the more abundant pubescence on mesoscutum and the much denser tergal pilosity, and the possession, by the male, of weakly infumated wing membrane, entirely dark scape, a patch of finely plumose pubescence on the anterior corners of the mesoscutum, narrower face, and shorter distance between the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Carpenter bees; Neotropical; New species; Xylocopini.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0031-10492016000900103
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Nest distribution and nesting habits of Xylocopa ordinaria Smith (Hymenoptera, Apidae) in a restinga area in the northern Rio de Janeiro State, Brazil Rev. Bras. entomol.
Bernardino,André Sarlo; Gaglianone,Maria Cristina.
This paper aims to study the distribution of natural nests of Xylocopa ordinaria and characterize its nesting habits in the restinga of Grussai/Iquipari (RJ), supporting future studies on the pollinators management in the northern Rio de Janeiro state. The data obtained from Aug/2003 to Dec/2004, in an area of 11.6ha, were related to the nest distribution, substrate identification and dimensions, emergence, sex ratio, nest structure (n= 23 nests) and pollen content analysis of provisioning masses and feces. X. ordinaria nests were abundant and presented a clustered distribution. These bees do not present taxonomical affinity for nesting substrates, but preferences for wood availability and characteristics, being Pera glabrata the main substrate. X....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Behavior; Foraging; Native bees; Spatial distribution; Xylocopini.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262008000300017
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