Life cycle information from a Wisconsin poplation of Porcellio spinicoris, the dark-headed isopod

dc.creator	Jass, Joan P
dc.creator	Zandi, K
dc.creator	Klausineier, Barbara
dc.date.accessioned	2024-12-06T19:23:24Z
dc.date.available	2024-12-06T19:23:24Z
dc.date.issued	1991-10-01
dc.description.abstract	Detailed life cycle information is lacking for Wisconsin terrestrial isopod crustaceans. We measured head-widths of a local population of Porcellio spinicornis and compiled data on size frequencies, sex ratio and gravidity. Females were larger and formed a majority of the population. Gravidity showed a definite seasonal pattern; percentages of gravid females ranged from zero in March and April to near 80% in late May and early June.
dc.identifier.citation	Jass, J., K. Zandi, and B. Klausmeier. 1991. Life cycle information from a Wisconsin poplation of Porcellio spinicoris, the dark-headed isopod. Field Station Bulletin 24(2): 21-26.
dc.identifier.uri	http://digital.library.wisc.edu/1793/84834
dc.relation.replaces	https://dc.uwm.edu/fieldstation_bulletins/142
dc.subject	Porcellio spinicoris
dc.subject	dark-headed isopod
dc.title	Life cycle information from a Wisconsin poplation of Porcellio spinicoris, the dark-headed isopod
dc.type	article

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