Iowa Amphibians

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attached to objects in the water. Each female may deposit a total of 500 to 1,500 eggs. Eggs hatch in a few days. The tadpoles transform to froglets in May and June. Habitats natural lakes and prairie marshes; interior rivers and streams; Mississippi River; Missouri River; wet prairies and fens; temporary water supplies; constructed lakes, ponds, and reservoirs Iowa Status common; native Iowa Range statewide Bibliography Iowa Department of Natural Resources. 2001. Biodiversity of Iowa: Aquatic Habitats CD-ROM. western chorus frog Pseudacris triseriata Kingdom: Animalia Division/Phylum: Chordata - vertebrates Class: Amphibia Order: Anura Family: Hylidae Features The western chorus frog ranges from three-fourths to 1 1/4 inches long. It has three, broad, dark stripes down the back and a dark stripe that runs from the snout to the groin and passes through the eye. A dark triangle or other dark coloring may be present between the eyes. A light line is found along the upper lip. The body color is gray, brown, green, or olive. The western chorus frog is among Iowa’s smallest frogs. It is one of the first frogs to call in the spring, along with the spring peeper. Natural History The western chorus frog lives in prairie marshes, pasture ponds, floodplains, and urban wetlands. It eats small arthropods (spiders, insects, mites, etc.). It is seldom seen after breeding season. It breeds March through May, often in temporary ponds. The male’s call is “creek” or “preep” which can be imitated by running a finger across the teeth of a comb. The female deposits about 100 eggs in clusters that are Iowa Department of Natural Resources www.iowadnr.gov.

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Helminth Communities in the Northern Spring Peeper, Pseudacris C. Crucifer Wied, and the Wood Frog, Rana Sylvatica Le Conte, from Southeastern Wisconsin
J. Helminthol. Soc. Wash. 63(2), 1996, pp. 211-214 Helminth Communities in the Northern Spring Peeper, Pseudacris c. crucifer Wied, and the Wood Frog, Rana sylvatica Le Conte, from Southeastern Wisconsin H. RANDALL YODER AND JAMES R. COGGINS Department of Biological Sciences, University of Wisconsin-Milwaukee, Milwaukee, Wisconsin 53201 ABSTRACT: Fifteen spring peepers and 20 wood frogs were collected in April 1993 from 2 temporary ponds in southeastern Wisconsin. Five species of adult and larval nematodes, 4 species of adult and larval trematodes, and 1 larval cestode infected wood frogs. Spring peepers harbored 1 adult and 1 larval nematode species as well as 1 adult and 5 larval trematode species. Sixteen of 20 (80%) wood frogs were infected with helminths. Mean species richness and mean helminth abundance were 2.15 and 4.90, respectively. Eight of 15 (53%) spring peepers were infected. Only 1 individual was infected by more than 1 helminth species and only 1 parasite species infected more than 1 spring peeper. Low prevalence and intensities of helminths as well as low diversity within infracommunities suggest depauperate, isolationist helminth communities in these 2 populations of anurans. This work represents new records for 5 helminth species in Wisconsin wood frogs and 3 helminth species in Wisconsin spring peepers. KEY WORDS: Rana sylvatica, Pseudacris crucifer, Oswaldocruzia pipiens, Cosmocercoides dukae, Rhabdias ranae, Glypthelmins pennsylvaniensis, Hematoloechus varioplexus, Fibricola texensis, Alaria mustelae, diplo- stomula, mesocercaria, Wisconsin. Rana sylvatica Le Conte is found from New and wet weight (g) were recorded. The external surfaces Brunswick to eastern Manitoba and south to as well as the mouth and eustachian tubes, the internal organs, including the brain, and the musculature of the Georgia and eastern Texas (Vogt, 1981).
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Fifield View PDF
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Amphibian Identifier 20
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