Reproduction saisonnière de Porcellio variabilis Lucas, 1846

Medini, Lamia; Nasri–Ammar, Karima; Charfi‐Cheikhrouha, Faouzia

doi:10.1016/s0764-4469(00)00168-2

Cited by 17 publications

(24 citation statements)

References 9 publications

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“…variabilis is an iteroparous species [23]. As most temperate species like Armadillidum pelagicum Arcangeli, 1955 [3,19], Tylos ponticus Grebnitsky, 1874, Halophiloscia couchii (Kinahan, 1858) and Armadillium album Dollfus, 1887 [20], Porcellio dalensi Caruso and Di Maio, 1990, Porcellio laevis Latreille, 1804, Soteriscus gaditanus Vandel, 1956, Armadillidium granulatum Brandt, 1833, Porcellionides pruinosus (Brandt, 1833) and Agabiformius lentus (Budde-Lund, 1885) [7], Porcellio lamellatus Budde-Lund, 1885 [20,26], P. variabilis in Béja exhibited large seasonal reproductive activity extending over nine months.…”

Section: Discussionmentioning

confidence: 99%

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Reproductive traits of Porcellio variabilis Lucas, 1946 (Isopoda, Oniscidea) from Tunisia

2015

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Abstract:The breeding phenology and reproductive strategies of Porcellio variabilis were investigated, both in field and laboratory, in the population of Béja (North of Tunisia). P. variabilis Lucas, 1946 is characterized by a seasonal reproduction period followed by a sexual rest phase during November, December and January. Mean fecundity showed a great seasonal variation ranging between 29.612 eggs for females caught in the late summer, and 125.920 eggs for those collected in the spring. P. variabilis is an iteroparous species; females were able to produce one (95% of females), two (40% of females) or three broods (20% of females) during their reproduction period. The duration of the gestation period ranged from 34 days in the first brood to 14 days in the third one. Energy allocated to reproduction decreased from the first brood (26.29%) to the last one (4.618%). During the sampling period, eight cohorts were identified, each exhibiting a variable life span estimated around 6 months for cohorts born in early spring, and 12 months for those born in the fall. According to our present results and previous studies in another population of P. variabilis in Tunisia, we discuss factors of variability in breeding phenology in this species.

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Section: Discussionmentioning

confidence: 99%

“…During the reproductive period of February to October [23], 81 breeding females, collected in the field, were sized and dissected under a stereomicroscope and the number of eggs was counted for estimation of fecundity.…”

Section: Introductionmentioning

confidence: 99%

Reproductive traits of Porcellio variabilis Lucas, 1946 (Isopoda, Oniscidea) from Tunisia

2015

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“…Mocquard et al, 1980;Souty-Grosset et al, 1988, 1994Juchault et al, 1989;Jassem et al, 1991); Porcellio variabilis Lucas, 1846 (cf. Medini et al, 2000); Porcellionides sexfasciatus (Budde-Lund, 1885) (cf. Juchault et al, 1985;Achouri & Charfi-Cheikhrouha, 2001, 2002; Hemilepistus reaumuri (Audouin & Savigny, 1826) (cf.…”

Section: Introductionmentioning

confidence: 99%

“…En Tunisie, la phénologie de la reproduction chez les Oniscoïdes a été étudiée uniquement chez quelque espèces telle que Porcellio variabilis (cf. Medini et al, 2000); Porcellionides sexfasciatus (cf. Achouri & Charfi-Cheikhrouha, 2001, 2002, 2005; Hemilepistus reaumuri (cf.…”

Section: Introductionunclassified

“…Hamaied et al, 2004. Concernant le genre Porcellio, 12 espèces ont été recensées (Medini-Bou Aziz, 2002), parmi lesquelles, seule l'espèce Porcellio variabilis a fait l'objet d'une étude sur sa biologie de reproduction (Medini et al, 2000;Medini-Bou Aziz, 2002). C'est dans ce but que nous nous sommes proposé dans ce présent travail, d'étudier, au laboratoire, les caractéristiques de la reproduction chez une autre espèce de ce genre à savoir Porcellio lamellatus; une espèce mésogéenne qui peuple à la fois les rivages atlantiques et les côtes méditerranéennes.…”

Section: Introductionunclassified

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Caractérisation Du Cycle Reproducteur Des Femelles De Porcellio Lamellatus (Isopoda, Oniscidea) Provenant Des Berges De La Lagune De Bizerte (Tunisie)

Nasri–Ammar¹,

Khemaissia²

2010

Crustac

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The reproductive cycle of Porcellio lamellatus Budde-Lund, 1885 was studied by a breeding survey of 333 ovigerous females and females with empty marsupium, collected during June, July, and August 2006. These females were followed from the day of collection until their death. Breeding was carried out under natural conditions of temperature, photoperiod, and humidity in the laboratory. Characterization of the reproductive cycle was based on several parameters: the number of parturition moults occurring during a year cycle (

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Reproductive biology of Ligia italica from Ghar EL Melh lagoon (Tunisia)

Laifi

Medini-Bouaziz

2021

Biologia

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Reproduction saisonnière de Porcellio variabilis Lucas, 1846

Cited by 17 publications

References 9 publications

Reproductive traits of Porcellio variabilis Lucas, 1946 (Isopoda, Oniscidea) from Tunisia

Reproductive traits of Porcellio variabilis Lucas, 1946 (Isopoda, Oniscidea) from Tunisia

Caractérisation Du Cycle Reproducteur Des Femelles De Porcellio Lamellatus (Isopoda, Oniscidea) Provenant Des Berges De La Lagune De Bizerte (Tunisie)

Reproductive biology of Ligia italica from Ghar EL Melh lagoon (Tunisia)

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