Marsilea mollis (Marsileaceae) Sporocarps and Associated Insect Parasitism in Southern Arizona

Kathryn Mauz; John R. Reeder

doi:10.3398/064.069.0312

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Kathryn Mauz,^1,* John R. Reeder^1,2

¹1University of Arizona Herbarium, Box 210036, University of Arizona, Tucson, AZ 85721.
²3Deceased, 1914–2009.

^*Corresponding author: kmauz@u.arizona.edu

Abstract

We report observations on reproductive phenology, fecundity, and sporocarp morphology for a population of the semiaquatic fern Marsilea mollis B.L. Rob. & Fernald in southern Arizona and document the parasitic relationships of 2 insects collected with the plants. The recently described weevil Notiodes sporocarpicus O'Brien (Coleoptera: Curculionidae) utilizes the fern's sporocarp as a brood chamber, only the second documented instance of this form of parasitism in the United States. The wasp Lyrcus maculatus (Gahan) (Hymenoptera: Pteromalidae) is a parasitoid of the weevil in this system.

Citation Download Citation

Kathryn Mauz and John R. Reeder "Marsilea mollis (Marsileaceae) Sporocarps and Associated Insect Parasitism in Southern Arizona," Western North American Naturalist 69(3), 382-387, (1 September 2009). https://doi.org/10.3398/064.069.0312

Received: 11 November 2008; Accepted: 1 July 2009; Published: 1 September 2009

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