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SURVEY of 21 RARE SPECIES of STONEFLIES (PLECOPTERA) in ILLINOIS Donald W. Webb and Mitchell A. Harris Center for Biodiversity I

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SURVEY of 21 RARE SPECIES of STONEFLIES (PLECOPTERA) in ILLINOIS Donald W. Webb and Mitchell A. Harris Center for Biodiversity I SURVEY OF 21 RARE SPECIES OF STONEFLIES (PLECOPTERA) IN ILLINOIS Donald W. Webb and Mitchell A . Harris Center for Biodiversity Illinois Natural History Survey 607 East Peabody Drive Champaign, IL 61820 (217) 333-6846 TECHNICAL REPORT 1994(1) ILLINOIS NATURAL HISTORY SURVEY CENTER FOR BIODIVERSITY PREPARED FOR NATURAL HERITAGE DIVISION DEPARTMENT OF CONSERVATION 524 SOUTH SECOND SPRINGFIELD, IL 62701 I SURVEY OF 21 RARE SPECIES OF STONEFLIES (PLECOPTERA) IN ILLINOIS Donald W. Webb and Mitchell A . Harris Center for Biodiversity Illinois Natural History Survey 607 East Peabody Drive Champaign, IL 61820 (217) 333-6846 In 1992 a research proposal was submitted to the Nongame Wildlife Conservation Fund to survey the State of Illinois to determine the current status of 21 rare species of stoneflies . For purposes of this report "rare" status indicates the species is known from 1 to 3 localities in Illinois . The following report outlines the collecting effort expended to ascertain presence or absence of these 21 species during 1992 and 1993 . For each species, "Previous Records" indicates where the species was originally reported in Illinois; "New Records" lists where the species was collected during 1992 and 1993, with a few previous collections by E . A. Lisowski ; "Negative Records" lists the sites that collections were made in and around the original reported sites at the appropriate time of year, and "STATUS" outlines our current evaluation of this species . Of the 21 species examined, two species Acroneuria lycorias and Pteronarcys dorsata were found to have been incorrectly attributed to Illinois; Illinois specimens of Alloperla banksi were found by Surdick to be a new species Alloperla roberti which has since been listed as extinct by the Fish and Wildlife Service ; two species Allocapnia illinoensis and Isoperla conspicua appear to have been extirpated from Illinois; seven species Allocapnia nivicola, A smithi, Zealeuctra fraxina, Z . narfi, Nemoura trispinosa, Prostoia completa, and Haploperla brevis were either recollected at the original site(s) or at one or two new localities but are still considered rare in Illinois ; seven species Nemocapnia carolina, Paracapnia angulata, Leuctra sibleyi, L . tenuis, Amphinemura nigritta, Isoperla marlynia, and Isogenoides varians were not recollected in Illinois but we feel that continued collecting is required before a definitive evaluation on these species can be made; one species Alloperla caudata was found to be widespread in small streams across the Shawnee Hills . On further examination of stonefly records for Illinois, six additional species should be considered "rare" in Illinois : Shipsa rotunda (Claassen), Acroneuria filicis Frison, A. perplexa Frison, Paragnetina media (Walker), Isoperla burksi Frison, L mohri Frison. Shipsa rotunda is a new record for the state. Enclosed is a revised list of the stoneflies species in Illinois and their relative abundances . Allocapnia illinoensis Frison Capniidae Previous Records : This species was originally reported from two localities in Illinois : Clark Co., Rocky Branch, Dolson (Clarksville), 1 March 1931, Frison ; 14 January 1932, Frison & Ross, mating pair, 5 January 1933, Frison & Ross ; 1 February 1965, Rotramel and Braasch; stream at mouth of Rocky Branch, Dolson, 14 January 1932, Frison & Ross ; stream near mouth of Rocky Branch, Dolson, 14 January 1932, Frison & Ross ; near Rocky Branch, Dolson, 14 January 1932, Frison & Ross, on fence post; tributary of Rocky Branch, Dolson (Clarksville), 5 January 1933, Frison & Ross ; 1 .5 miles NE Dolson, 23 February 1958, Smith . Edgar Co., Stream west of Oliver, 14 January 1932, Frison & Ross, on fence post. New Records : No new records for this species in Illinois were found . Negative Records : Clark Co., East Fork of Big Creek, 0 .5 miles W Oliver, 29 January 1992, Webb & Harris ; tributary of West Fork of Big Creek, 2 .5 miles SW Oliver, 29 January 1992, Webb & Harris ; West Fork of Big Creek, 3 miles SW Oliver, 29 January 1992, Webb & Harris; Rocky Branch of West Fork of Big Creek, 1 .5 miles NE Clarksville, 29 January 1992, 2 Webb & Harris; East Mill Creek, 2 miles NW Marshall, 29 January 1992, Webb & Harris; Fox Creek of Mill Creek, 5 miles NW Marshall, 29 January 1992, Webb & Harris ; Mill Creek, 2 miles NNW Clarksville, 29 January 1992, Webb & Harris; East Fork of Big Creek, 12 December 1992, Webb & Harris; Tributary of East Fork of Big Creek, 0 .8 km West of Oliver, 12 December 1992, Webb & Harris; Rocky Branch of West Fork of Big Creek, 2.4 km NE Clarksville, 12 December 1992, Webb & Harris; East Fork of Big Creek, 1 km WNW Oliver, 28 January 1993, Webb & Harris ; Tributary of East Fork of Big Creek, 1 km WNW Oliver, 28 January 1993, Webb & Harris ; Rocky Branch of West Fork of Big Creek, 2 .4 km NE Clarksville, 28 January 1993, Webb & Harris; West Fork Creek, 4 km E Westfield, 25 March 1993, Webb ; Rocky Branch of West Fork of Big Creek, 3 km NE Clarksville, 25 March 1993, Webb ; Tributary of Big Creek, 5 km NE Clarksvile, 25 March 1993, Webb; East Fork of Big Creek, 1 km WNW Oliver, 25 March 1993, Webb. Edgar Co., Big Creek, 6 miles SW Paris, 29 January 1992, Webb & Harris ; Flemington Creek, 6.5 miles SW Paris, 29 January 1992, Webb & Harris. STATUS: This species is known from only scattered localities widely distributed in southern Canada and northern United States from eastern Minnesota to the Atlantic coast, with isolated records known from southern Wisconsin, central Illinois, and southeastern Ohio (Ross & Ricker 1971). Four separate collecting trips were made during 1992 and 1993 to Edgar and Clark counties. No specimens of Allocapnia illinoensis were collected during any of these trips . We feel that Allocapnia illinoensis has been extirpated from Illinois. Allocapnia nivicola (Fitch) Capniidae Previous Records : This species was reported from one locality in Illinois : Coles Co., Fox Ridge State Park, 14 February 1938, Frison & Mohr, 25 February 1938, Frison & Mohr . New Records: Vermilion Co. : Forest Glen Forest Preserve, tributary of Vermilion River, 8 km SE Westville, 28 January 1991, Lisowski, 5 male 2 females, 28 January 1993, Webb and Harris, 12 males 5 females . Negative Records : Coles Co, tributary of Embarras River, Fox Ridge State Park, 28 January 1993, Webb and Harris ; 27 April 1993, Webb ; Embarras River, 4.5 km SE Charleston, 28 January 1993, Webb and Harris; 27 April 1993, Webb . Vermilion Co ., Whippoorwill Creek, 8 km ENE Georgetown, 28 January 1993, Webb and Hams ; Little Vermilion River, 8 .4 km SE Georgetown, 28 January 1993, Webb and Harris Yankee Branch of Little Vermilion River, 7 km SE Georgetown, 28 January 1993, Webb and Harris . STATUS : Allocapnia nivicola is an eastern species and its occurrence in Illinois represents the westernmost extension of it range. During the two trips to Fox Ridge State Park in 1993, no specimens of this species were collected . Specimens of Allocapnia nivicola were collected in a small tributary of the Vermilion River in Forest Glen Forest Preserve in 1991 and 1993. This species is restricted to small stony brooks. It was disappointing that this species was not recollected from its original Illinois locality in Fox Ridge State Park but it is possible that A . nivicola may be found in other small streams in eastern Illinois . We still classify this species as rare in Illinois. Allocapnia smithi Ross & Ricker Capniidae Previous Records: This species was previously reported from only one locality in Illinois : Pope Co., Lusk Creek, 5 miles SE Eddyville, 5 March 1958, Ross & Stannard ; 20 February 1969, Stannard. 3 New Records : Pope Co., East Fork of Little Lusk Creek [Hartsville], 7.4 km SW Herod, 20 January 1993, Webb & Harris, 2 males . Saline Co ., tributary of Battle Ford Creek, 3 .5 km NE Delwood, 20 January 1993, Webb & Harris, 2 males. Negative Records : Gallatin Co., 1 .6 km W Highway 1, 22 January 1993, Webb & Harris. Hardin Co., Three Mile Creek, 3.2 miles NNW Rosiclaire, 27 February 1992, Webb & Harris; Big Creek, 0.75 miles W Elizabethtown, 27 February 1992, Webb & Harris; Hosick Creek, 1 .5 miles NE Elizabethtown, 27 February 1992, Webb & Harris ; Peters Creek, 3 miles NE Elizabethtown, 27 February 1992, Webb & Harris ; Round Springs Creek, 4 miles W Cave In Rock, 27 February 1992, Webb & Harris ; Peters Creek, 5.2 miles WNW Cave In Rock, 27 February 1992, Webb & Harris ; Hogthief Creek, 4 miles N Elizabethtown, 27 February 1992, Webb & Harris; Big Creek, 4 miles NNW Elizabethtown, 27 February 1992, Webb & Harris ; Hobbs Creek, 5.4 miles SSE Herod, 27 February 1992, Webb & Harris ; Buck Creek, 4.7 miles SSE Herod, 27 February 1992, Webb & Harris; Hicks Branch of Big Grand Pierre River, 4 miles SSE Herod, 27 February 1992, Webb & Harris; North Branch of Hicks Creek of Big Grand Pierre River, 3 miles SE Herod, 27 February 1992, Webb & Harris ; Rose Creek, 1.6 miles SE Herod, 27 February 1992, Webb & Harris; Gibbons Creek, Herod, 27 February 1992, Webb & Harris; Hosick Creek, 2.4 km NE Elizabethtown, 22 January 1993, Webb & Harris ; Honey Creek, Lamb, 22 January 1993, Webb & Harris ; Rock Creek, 0.5 km W Rock Creek, 22 January 1993, Webb & Harris; Harris Creek, 1 km SW Cadiz, 22 January 1993, Webb & Harris ; Gibbons Creek, Herod, 18 April 1993, Webb & Harris ; tributary of Gibbons Creek, 1 .6 km NE Herod, 18 April 1993, Webb & Harris. Johnson Co ., Max Creek, 3 miles SWS Simpson, 26 February Webb & Harris; Cedar Creek, Simpson, 26 February Webb & Harris ; Bay Creek, 2.5 miles E Simpson, 26 February
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