Podmosta Larvae
Creators
- 1. and Bill P. Stark & Department of Biological Sciences, P. O. Box 305220, University of North Texas, Denton, Texas 76203, U. S. A. E-mail: stewart @ unt. edu
- 2. Box 4045, Department of Biology, Mississippi College, Clinton, Mississippi, U. S. A. 39058 E-mail: stark @ mc. edu
Description
Provisional Key to North American Podmosta Larvae
Podmosta macdunnoughi (Ricker) was partially described by Ricker (1947) and Harper & Hynes (1971). Details of the cercal intercalaries are difficult to see at 50X with a dissecting light microscope, and therefore require SEM.
1 Distribution east of 90 th meridian … macdunnoughi
1’ Distribution west of 100 th meridian …..……….. 2
2 Head with distinct, light interocellar spot (Fig. 2) ………………………………………....… delicatula
2’ Head without interocellar spot (Fig.1) ……….. 3
3 Whorl bristles of middle and anteapical cercal segments short, at most, ca. 0.20X the length of their segment, and bearing 2- 3 intercalary hairs as seen laterally (Fig. 44); widespread, Alaska south to Colorado ……………………………….. decepta
3’ Whorl bristles of middle and anteapical cercal segments long, 0.35-0.80X the length of their segment, and bearing variable number of intercalaries up to 7 (Figs. 48, 50); Alaska-Yukon and south to Oregon ……………..………………. 4
4 Whorl bristles of proximal 10 cercal segments short, ca. 0.25X length of their segment (Fig. 49); middle and apical cercal segments bearing 2- 4 intercalary bristles and/or fine hairs (Fig. 50); Alaska and Yukon ………………………..…. weberi
4’ Whorl bristles of proximal 10 cercal segments long, about 0.67X the length of their segment (Fig. 47); middle and apical cercal segments bearing 3-7 fine intercalary hairs (Fig. 48); Oregon and Washington ………………………………… obscura
Notes
Files
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Linked records
Additional details
Identifiers
Biodiversity
- Family
- Nemouridae
- Genus
- Podmosta
- Kingdom
- Animalia
- Order
- Plecoptera
- Phylum
- Arthropoda
- Scientific name authorship
- Larvae
- Taxon rank
- genus
References
- Ricker, W. E. 1947. Stoneflies of the Maritime Provinces and Newfoundland. Transactions of the Royal Canadian Institute, 26: 401 - 414.