A Natural Subgeneric Classification of \u3ci\u3eEphemerella Bartoni\u3c/i\u3e and Related Species (Ephemeroptera: Ephemerellidae) [PDF]
Phyletic relationships indicate that Ephemerella bartoni Allen should be excluded from the subgenus Dannella in order to prevent a polyphyletic and impractical classifica- tion.
McCafferty, W. P
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Review of the Genus \u3ci\u3eMacdunnoa\u3c/i\u3e (Ephemeroptera: Heptageniidae) with Description of a New Species From Florida [PDF]
The imago, nymph, and egg of Macdunnaa brunnea n. sp. are described from the south- eastern U.S. Heptagenia persimpiex is transferred to Macdunnoa and additional diagonostic characters are given for this species and for Macdunnoa nipawinia.
Flowers, R. W
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Thus far, 335 currently valid species in 82 genera and 21 families of mayflies (Ephemeroptera) have been documented from Canada, remarkably representing a little more than half of the combined species richness of Canada, Mexico and the USA. The current known species richness for Canada represents an increase of 11.3% as compared to that reported in ...
openaire +5 more sources
Description of the Nymph of \u3ci\u3eCentroptilum Walshi\u3c/i\u3e (Ephemeroptera: Baetidae), with Biological Notes [PDF]
The nymph of Centroptilum walshi McDunnough is described. C. walshi appears to be bivoltine in Wisconsin, with emergences throughout June into early July and from late August to early November.
Bergman, Edward A, Hilsenhoff, William L
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Gill Ventilation Rates of Mayfly Nymphs (Ephemeroptera: Heptageniidae) as a Biomonitoring Technique [PDF]
Gill ventilation frequency (GVF) of the mayfly nymph Stenacron interpunctatum (Ephemeroptera: Heptageniidae) was studied to assess the applicability of a relatively simple, real time video methodology and to assess the potential of GVF rates for use in a
Kaster, Jerry L, MacKenzie, Richard A
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Resource Partitioning by Two Species of Stream Mayflies (Ephemeroptera: Heptageniidae) [PDF]
We compared the phenology of nymph development, food type, and habitat selection of two stream mayflies, Stenacron interpunctatum (Say) and Stenonema pulchellum (Walsh) in Big Darby Creek, Ohio.
Britt, N. Wilson, Lamp, William O
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The Mayflies, or Ephemeroptera, of Illinois. B. D. Burks, 1975 reprint of Bulletin of the Illinois Natural History Survey, Vol. 26, 1953. Entomological Reprint Specialists, Los Angeles, California, viii + 216 p., 395 figs. $15.00. [PDF]
(excerpt) The continuing demand for general references and aids to identification of Ephemeroptera has undoubtedly prompted the recent reprinting of The Mayflies. . . of Illinois. A two-page preface by George F. Edmunds, Jr.
McCafferty, W. P
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Assessing Aquatic Insect Flight Behavior with Sticky Traps [PDF]
A suspended sticky trap was designed to analyze flight behavior of aquatic insects, including both direction and vertical distribution of flight. Specifications of trap construction are detailed.
Harris, T. L, McCafferty, W. P
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Identification and Distribution of \u3ci\u3eBaetisca\u3c/i\u3e Nymphs (Ephemeroptera: Baetiscidae) in Wisconsin [PDF]
Nymphs of three species of Baetisca (Ephemeroptera: Baetiscidae) have been collected in Wisconsin. Baetisca laurentina was most abundant. occurring in a wide variety of streams and occasionally in impoundments.
Hilsenhoff, William L
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Epizooic Diatoms on the Cerci of Ephemeroptera (Caenidae) Naiads [PDF]
Using scanning electron microscopy, epizooic diatoms were observed growing on the cerci of Caenis amica Hagen naiads (Ephemeroptera, Caenidae). Meridion circulare (Greville) C.
Wujek, Daniel E
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