Resumo
Two specimens of Phyllocaulis boraceiensis were found in concomitant cross copulation on 19.VII.1997. Each was in the "U"-shape position. Both specimens were the same age. One was 100 mm. long and weighed 14.53 g.; the other was 129 mm long and weighed 16.08 g. Thirty-one days later the largest one laid 11 eggs; all hatched 64 days later. The other died in October, 1997 without laying.
Concomitant cross copulation; Phyllocaulis boraceiensis; Veronicellidae
Concomitant cross copulation; Phyllocaulis boraceiensis; Veronicellidae
COMUNICAÇÃO CIENTÍFICA
Registro de cópula cruzada e concomitante em Phyllocaulis boraceiensis Thomé (Mollusca, Gastropoda, Veronicellidae)1 1 Com bolsas e auxílios do CNPq, CAPES, FAPERGS, PUCRS.
Record of the concomitant cross copulation by Phyllocaulis boraceiensis Thomé (Mollusca, Gastropoda, Veronicellidae)
José Willibaldo Thomé; Rosane Souza da Silva; Suzete Rodrigues Gomes; Iara Regina Cardoso Pitta
Laboratório de Malacologia, Faculdade de Biociências, Pontifícia Universidade Católica do Rio Grande do Sul. Avenida Ipiranga 6681, prédio 12, salas 340 (30-37), 90619-900 Porto Alegre, Rio Grande do Sul, Brasil. E-mail: thomejw@pucrs.br
ABSTRACT
Two specimens of Phyllocaulis boraceiensis were found in concomitant cross copulation on 19.VII.1997. Each was in the "U"-shape position. Both specimens were the same age. One was 100 mm. long and weighed 14.53 g.; the other was 129 mm long and weighed 16.08 g. Thirty-one days later the largest one laid 11 eggs; all hatched 64 days later. The other died in October, 1997 without laying.
Key words: Concomitant cross copulation, Phyllocaulis boraceiensis, Veronicellidae.
Texto completo disponível apenas em PDF.
Full text available only in PDF format.
Recebido em 20.IV.1998; aceito em 09.VIII.1999.
- MANSUR, G. & J.W. THOMÉ. 1994. Contribuição à biologia de Sarasinula linguaeformis (Semper, 1885) e Sarasinula plebeia (Fischer, 1868) (Veronicellidae, Gastropoda). Biociências, Porto Alegre, 2 (2): 39-48.
- THOMÉ, J.W. 1968. Zur Biologie der Veronicellidae (Mollusca; Gastropoda). Beobachtungen über die Begattung und Eiablage. Arch. Molluskenk., Frankfurt, 98 (3/4): 143-149.
- ______. 1972. Uma nova espécie de Phyllocaulis do Brasil (Veronicellidae, Gastropoda). Iheringia, Série Zoologia, Porto Alegre, (41): 59-68.
Datas de Publicação
-
Publicação nesta coleção
15 Jun 2009 -
Data do Fascículo
1999
Histórico
-
Recebido
20 Abr 1998 -
Aceito
09 Ago 1999
