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VOLUME THIRTEEN: 2017

A new species of Diploperla Needham and Claassen (Plecoptera: Perlodidae) from North Carolina and Virginia. Boris C. Kondratieff and Chris J. Verdone
Illiesia 2017 13(13):127-139, Figures 1-9, 7 references (p.: 139) (6 December 2017)

http://zoobank.org/urn:lsid:zoobank.org:pub:5A4D0C76-58A4-42E3-A627-7C3023A27250
ABSTRACT
A new species of Diploperla Needham & Claassen is described from the Appalachian Mountains of Virginia and North Carolina. The new species is proposed based on details of the epiproct, lateral stylets, and general body coloration. Supporting data includes scanning electron micrographs and color images.
Keywords: Plecoptera, stonefly, Perlodidae, Diploperla janeae Kondratieff and Verdone, 2017, Appalachian Mountains, North Carolina, Virginia
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A new species of Isoperla Banks (Plecoptera: Perlodidae) from the southern Appalachians, with notes on the I. montana group. Chris J. Verdone and Boris C. Kondratieff
Illiesia 2017 13(12):111-126, Figures 1-25, 5 references (p.: 126) (6 December 2017)

http://zoobank.org/ urn:lsid:zoobank.org:pub:39554E35-3E42-4BC1-AF04-3DC5ABD92DAC
ABSTRACT
A new species, Isoperla dewalti Verdone & Kondratieff, 2017, is described from the Appalachian Mountains of North Carolina, Tennessee, and Virginia. The new species is proposed based on details of the male aedeagus, paraprocts, vesicle, general body coloration, female subgenital plate, and uniqueness of the ovum chorion. Supporting data includes color images and scanning electron micrographs. Isoperla smithi Szczytko and Kondratieff, 2015 is synonymized with I. nelsoni Szczytko and Kondratieff, 2015 based on examination of additional material. Previously unreported records of I. montana (Banks, 1898) and I. nelsoni are presented.
Keywords: Plecoptera, stonefly, Perlodidae, Isoperla dewalti Verdone & Kondratieff, 2017, Appalachian Mountains, Great Smoky Mountain National Park, North Carolina, Tennessee, Virginia
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Distribution of Hydroperla fugitans (Plecoptera: Perlodidae) with notes on diet Audrey B. Harrison and R. Edward DeWalt
Illiesia 2017 13(11):104-110, 1 Table, 22 references (p.: 109-110) (27 November 2017)

http://zoobank.org/ urn:lsid:zoobank.org:pub:F5A250A7-0AE7-4658-BF0D-31055480AAF7
ABSTRACT
Collection records are compiled and the known distribution for Hydroperla fugitans (Needham and Claassen, 1925) is presented. A 2007 sampling effort in the Lower Mississippi River yielded eight H. fugitans larvae, providing the opportunity to assess the diet of this large river inhabitant, which includes larval Hydropsychidae (Trichoptera) and Chironomidae (Diptera), as well as Oligochaeta.
Keywords: Plecoptera, large rivers, Hydroperla fugitans (Needham and Claassen, 1925), distribution, diet
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Supplementary illustrations for two Nemoura (Plecoptera: Nemouridae) species. Zhi-Teng Chen and Yu-Zhou Du
Illiesia 2017 13(10):98-103, 9 references (p.: 102-103) (21 November 2017)

http://zoobank.org/ urn:lsid:zoobank.org:pub:00287636-CF1A-4E80-947C-DC749079DE81
ABSTRACT
Supplementary images for two Chinese Nemoura (Plecoptera: Nemouridae) species, N. fusiformis Chen & Du, 2017 and N. nankinensis Wu, 1926 are provided to allow for ease of future identifications. Corrected coordinates for the holotype and paratype locality are provided for N. fusiformis.
Keywords: Plecoptera, Nemouridae, Nemoura, supplementary illustrations, China
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Neowuia, a replacement name for preoccupied Wuia Li & Murányi, 2015 (Plecoptera: Perlodidae). Weihai Li & Dávid Murányi
Illiesia 2017 13(9):96-97, 8 references (p.: 97) (7 November 2017)

http://zoobank.org/ urn:lsid:zoobank.org:pub:CDCCB99B-811E-4C85-B39B-A2E7AED82A4D
ABSTRACT
Neowuia nom. n. is proposed to replace the generic name Wuia Li & Murányi, 2015 (Plecoptera: Perlodidae), preoccupied by Heterodonthus (Wuia) Fowler, 1933 (Chondrichthyes: Heterodontidae).
Keywords: Neowuia Li & Murányi, 2017 nom. n., Neowuia qinlinga (Li & Murányi, 2015) comb. n., Heterodontus (Wuia) Fowler, 1934, Chondrichthyes
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Corrected type locality designation for Acroneuria covelli Grubbs & Stark, 2004 (Insecta, Plecoptera). Scott A. Grubbs
Illiesia 2017 13(8):94-95, 5 references (p.:94-95) (7 November 2017)

http://zoobank.org/ urn:lsid:zoobank.org:pub:10FC92F9-1AD1-41CB-A439-7AD58E708CA6
ABSTRACT
An erroneously listed type locality for Acroneuria covelli Grubbs & Stark, 2004 is noted herein and replaced with the actual location where the type specimen was collected.
Keywords: Plecoptera, Perlidae, Acroneuria covelli Grubbs & Stark, 2004, type locality
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California Soliperla Ricker, 1952 (Plecoptera: Peltoperlidae), distribution and taxonomic characters. Bill P. Stark, John B. Sandberg and Jonathan J. Lee
Illiesia 2017 13(7):82-93, Figures 1-18, 9 references (p.:93) (26 October 2017)

http://zoobank.org/ urn:lsid:zoobank.org:pub:DD127188-E0C0-4B37-A1EE-8B1F827929ED
ABSTRACT
New distribution records for the three California species of Soliperla Ricker, 1952, are presented and mapped. Male reproductive structures were examined with scanning electron microscopy to test their potential as taxonomic characters, and a preliminary taxonomic key to the larvae of California Soliperla species is presented. Male epiprocts appear to be less useful for distinguishing the species of California Soliperla males than has been shown for the species in Oregon and Washington.
Keywords: Plecoptera, Peltoperlidae, Soliperla, Distribution, Male reproductive structures
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Plecoptera of Crane Hollow Nature Preserve, Ohio, comparison to similar efforts. R. Edward DeWalt and Elise D. Snyder
Illiesia 2017 13(6):70-81, Figures 1-8, 17 references (p.:80-81) (26 October 2017)

http://zoobank.org/ urn:lsid:zoobank.org:pub:9669ECAD-2449-477B-B190-828DB33F49E0
ABSTRACT
A nearly 800 specimen collection of stoneflies from Crane Hollow Nature Preserve (CNHP) in Hocking County, Ohio was examined. These samples revealed a rich assemblage of 41 species, 40% of the species known from the state and 57% of the species known to occur in the lower Scioto River drainage. Species represented by the greatest abundance coincided well with those that were represented by the greatest number of sampling events. Of seven similar studies CHNP had substantially higher richness than all but Powdermill Preserve of southwestern Pennsylvania with 51 species. Assemblages varied greatly such that the average Jaccard dissimilarity between locations was 76%. Additional species are predicted for the CHNP. The value of aggregating literature and specimen data for comparative analyses is discussed as a way to place results of current biomonitoring and ecological studies into historical context.
Keywords: Plecoptera, Ohio, species assemblages, creeping baselines
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Morphological systematics of Leuctra duplicata Claassen, 1923 species group (Plecoptera:Leuctridae). Scott A. Grubbs and Summer Wei
Illiesia 2017 13(5):59-69, Figures 1-34, 17 references (p.:68-69) (11 October 2017)

http://zoobank.org/ urn:lsid:zoobank.org:pub:F21C9155-B536-46EF-B8F2-F9B539C3334F
ABSTRACT
Adult males and females of Leuctra duplicata Claassen, 1923 and L. maria Hanson, 1941, the two proposed members of the L. duplicata group, were compared using standard light microscopy and scanning electron microscopy. Characteristics of the male paraprocts and female subgenital plate of L. duplicata are consistent across the broad range of this common species and allow for easy differentiation from L. maria. Distribution maps based on material examined are provided for both species.
Keywords: Plecoptera, Leuctridae, Leuctra duplicata Claassen, 1923, Nearctic, scanning electron microscopy.
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A rare and cryptic endemic of the Central Rocky Mountains, U.S.A: The distribution of the Arapahoe snowfly, Arsapnia arapahoe (Nelson & Kondratieff, 1988) (Plecoptera: Capniidae). Matthew P. Fairchild, Thomas P. Belcher III, Robert E. Zuellig, Nicole M. K. Vieira, and Boris C. Kondratieff
Illiesia 2017 13(4):50-58, Figures 1, 1 Table, 19 references (p.:57-58) (1 September 2017)

http://zoobank.org/ urn:lsid:zoobank.org:pub:697F481D-571A-4FE7-AD6A-1D6E3B4F5C93
ABSTRACT
The Arapahoe snowfly, Arsapnia arapahoe (Nelson & Kondratieff, 1988) (Plecoptera: Capniidae) is a candidate species warranted for listing under the Endangered Species Act. Prior to this study, A. arapahoe was known from only two tributaries of the Cache la Poudre River in Larimer County, Colorado: Young Gulch and Elkhorn Creek. The objectives of this study were to determine the distribution of this endemic stonefly, and to identify sympatric species as possible surrogate indicators of its occurrence. Eighty-four streams were sampled within the expected geographical range and emergence time-period from 2013 to 2017. Adults of A. arapahoe were discovered in 19 first-, second-, and fourth-order streams beyond the original type localities tributary to the Cache la Poudre River. The new and recently recorded localities were discovered in the Big Thompson River, St. Vrain River, Boulder Creek, and Upper South Platte River Watersheds. Two species, A. decepta (Banks, 1897) and Capnia gracilaria Claassen, 1924, always co-occurred with A. arapahoe, suggesting this species pair may serve as a surrogate indicator of suitable stream habitat for A. arapahoe. Suggestions for future investigation into the distribution, life-history, and habitat of A. arapahoe are presented to aid the conservation of this rare and endemic Colorado stonefly.
Keywords: Winter stonefly, Arsapnia arapahoe (Nelson & Kondratieff, 1988), rare species
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Studies on the stoneflies of Georgia with the description of a new species of Soyedina Ricker, new state records and an annotated checklist. Chris J. Verdone, Boris C. Kondratieff, R. Edward DeWalt, and Eric J. South
Illiesia 2017 13(3):30-49, Figures 1-8, 2 Tables, 68 references (p.:44-48) (28 August 2017)

http://zoobank.org/ urn:lsid:zoobank.org:pub:F7668389-D0A8-4697-938F-C8D1DF8D129A
ABSTRACT
A new species of Soyedina Ricker is described, in addition to the listing of 24 new state records and the inclusion of an annotated checklist of species presently known from Georgia.
Keywords: Plecoptera, Nemouridae, Soyedina amicalola Verdone & Kondratieff, 2017, Georgia, checklist
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The new species Anacroneuria brava (Plecoptera: Perlidae), with provisional description of an unassociated female, and new records of distribution from Mexico. Alfredo Mayorga and Atilano Contreras-Ramos
Illiesia 2017 13(2):23-29, Figures 1-8, 1 Table, 4 references (p.:29) (21 July 2017)

http://zoobank.org/ urn:lsid:zoobank.org:pub:D121E665-B015-4659-8E28-21B8FA79303D
ABSTRACT
Anacroneuria brava Mayorga & Contreras-Ramos, 2017 (Plecoptera: Perlidae) is described as new from Estado de Mexico. A second species, Anacroneuria sp. MX-1, is provisionally described from a single female from the state of Oaxaca. The distribution of the Anacroneuria species known from Mexico is updated and the first stonefly records for the states provided for Hidalgo and Querétaro. Moreover, new distribution records are provided for A. annulicauda (Pictet, 1841), A. lineata (Navás, 1924), A. nigrolineata Jewett, 1958, A. planicollis Klapálek, 1923 and A. quadriloba Jewett, 1958.
Keywords: Anacroneuria brava Mayorga & Contreras-Ramos, 2017, Plecoptera, Perlidae, Mexico, Estado de México, Oaxaca, stoneflies
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Variation in the Epiproct of Arsapnia decepta Banks, 1897 (Plecoptera: Capniidae), with Comments on Arsapnia coyote (Nelson & Baumann 1987). Richard W. Baumann & Bill P. Stark
Illiesia 2017 13(1):1-21, Figures 1-72, 6 Tables, 18 references (p.:21) (1 May 2017)

http://zoobank.org/ urn:lsid:zoobank.org:pub:602D4DFC-273B-4DDC-8EB0-D60D68503B71
ABSTRACT
Epiprocts and tergal processes were examined using scanning electron microscopy for scattered populations of Arsapnia decepta Banks, 1897 and A. coyote (Nelson & Baumann, 1987) from throughout their known ranges. Epiproct lengths ranged from 379-578 µm among A. decepta males from 19 sites, and from 575-618 µm for A. coyote males from two sites. Among A. decepta males, the numbers of thick spine-like epiproct setae ranged from 10-34 per cluster. We conclude that A. decepta, as currently defined, shows considerable variation in epiproct dimensions, numbers of epiproct setae per cluster, and width of the dorsal process on tergum 7. In addition, the limited data from our small sample of A. coyote specimens, and the molecular data published recently by colleagues, support continued recognition of this closely related species. SEM images are presented to document the observed variation in these structures from various populations in western North America.
Keywords: Plecoptera, Capniidae, Arsapnia decepta, Arsapnia coyote, epiproct morphology, scanning electron microscopy
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