Leuctra carolinensis Claassen 1923

Grubbs, Scott A., 2015, Leuctra Schusteri, A New Stonefly Species (Plecoptera: Leuctridae) Of The L. Tenuis (Pictet) Group From The Southeastern Usa, Illiesia 11 (12), pp. 147-166: 149-152

publication ID

http://doi.org/10.5281/zenodo.4752768

publication LSID

lsid:zoobank.org:pub:8BFBE3F7-E0EF-4EDD-BA82-9EA087F74688

DOI

http://doi.org/10.5281/zenodo.4758476

persistent identifier

http://treatment.plazi.org/id/03DD8784-FF9A-A71D-FEEB-58CA62D9FA0C

treatment provided by

Felipe

scientific name

Leuctra carolinensis Claassen 1923
status

 

Leuctra carolinensis Claassen 1923  

Carolina Needlefly  

http://lsid.speciesfile.org/urn:lsid: Plecoptera   .specie sfile.org:TaxonName:462471

( Figs. 1–9 View Figs View Figs 4–9 )

Leuctra carolinensis Claassen 1923:258   . Holotype ♂ ( CUIC), Black Mountains , North Carolina.  

Leuctra carolinensis   : Needham and Claassen 1925:226 Leuctra carolinensis   : Illies 1966:84

Male. The 7th abdominal dorsal process is large and broadly rounded posteriorly; subtle lateral lobes are evident on central Appalachian populations and further north into New England ( Figs. 1‒2 View Figs ) but essentially absent from northwestern Alabama near the southwestern edge of this species range ( Fig. 3 View Figs ). The specilla varies from triangular with a broad base ( Fig. 8 View Figs 4–9 ) to ca. parallel-sided ( Fig. 6 View Figs 4–9 ); distally the specillum is subtriangular with tubercles present and also along the distal outer margin ( Figs. 4‒9 View Figs 4–9 ). The subanal lobes extend nearly to tip of the specilla, recurved anteriorly in posterior half ( Figs. 4, 6‒9 View Figs 4–9 ).

Material examined. USA, Alabama, Colbert Co., tributary to Ross Branch , 6 km SE Waterloo, 34.8781, -88.0102, 4 May 2008, S.A. Grubbs, 17♂ ( WKUC) GoogleMaps   ; Lauderdale Co., South Fork Panther Creek, 7.5 km NW Waterloo, Lauderdale Wildlife Management Area , 34.9633, -88.1241, 4 May 2008, S.A. Grubbs, 1♂ ( WKUC) GoogleMaps   ; Second Creek , 9 km NE Waterloo, 34.9745, -87.9942, 4 May 2008, S.A. Grubbs, 1♂ ( WKUC) GoogleMaps   . Connecticut, New London Co., tributary to Beaver Brook, 4 km W Chesterfield, Nehantic State Forest , 41.4244, - 72.2685, 16 June 2007, S.A. Grubbs, 10♂ ( WKUC) GoogleMaps   ; tributary to Green Fall River, 7.5 km SE Voluntown, Pachaug State Forest , 41.5228, -71.8091, 17 June 2007, S.A. Grubbs, 1♂ ( WKUC) GoogleMaps   . Maryland, Garrett Co., spring into Little Laurel Run, Savage River State Forest , 39.6314, -79.1484, 21 June 1996, S.A. Grubbs, 9♂, 8♀ ( WKUC) GoogleMaps   ; Bull Glade Run, Garrett State Forest , 39.4912, -79.4584, 25 May 1996, S.A. Grubbs, 4♂ ( WKUC) GoogleMaps   ; Alexander Run , 39.6597, -79.2254, 12 July 1996, S.A. Grubbs, 6♂, 5♀ ( WKUC) GoogleMaps   ; Pennsylvania, Westmoreland Co., spring into Linn Camp Creek , 40.1675, -79.2307, 1 August 1991, S.A. Grubbs, 1♂ ( WKUC) GoogleMaps   .

Distribution. USA: MD, MS, NC, NJ, TN, VA ( DeWalt et al. 2015), AL ( Grubbs 2010), CT (new state record), PA ( Masteller 1996).

Remarks. Leuctra carolinensi   s and L. tenella   appear to be sister species based on overall similarity in structure of the paraproct and the 7th abdominal dorsal process. The abdominal process resembles only L. tenella   , a species with a similar distribution and spring‒summer emergence in the southern and central Appalachian Mountains. The two records of L. carolinensis   from low elevation streams in southeastern Connecticut represent a northeastern range extension and suggest that the distribution of this species is still poorly understood. The dorsal process of L. carolinensis   is broadly-rounded posteriorly ( Figs. 1‒3 View Figs ) whereas the process of L. tenella   is subtriangular ( Fig. 19 View Figs ). Although the specilla of L. carolinensis   vary slightly in overall shape ( Figs. 6, 8 View Figs 4–9 ), the location of tubercles and the shape of the distal portion are similar among the material examined ( Figs. 4‒9 View Figs 4–9 ) and distinct from L. tenella   ( Figs. 21‒22 View Figs ).

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Plecoptera

Family

Leuctridae

Genus

Leuctra

Loc

Leuctra carolinensis Claassen 1923

Grubbs, Scott A. 2015
2015
Loc

Leuctra carolinensis

Illies, J. 1966: 84
Needham, J. G. & P. W. Claassen 1925: 226
1925
Loc

Leuctra carolinensis Claassen 1923:258

Claassen, P. W. 1923: 258
1923