Published May 14, 2012 | Version v1
Taxonomic treatment Open

Allocapnia sandersoni Ricker 1952

  • 1. and Boris C. Kondratieff & Department of Biology, Box 4045, Mississippi College, Clinton, Mississippi 39058, U. S. A. E-mail: stark @ mc. edu
  • 2. Department of Bioagricultural Sciences and Pest Management, Colorado State University, Fort Collins, Colorado 80523, U. S. A.

Description

Allocapnia sandersoni Ricker

(Figs. 103-108)

Allocapnia sandersoni Ricker 1952:165.

Holotype ♂ (Illinois Natural History Survey), Clear Creek, 2.5 miles N Fayetteville, Washington Co., Arkansas

Allocapnia sandersoni: Ross & Ricker, 1971:40.

Material examined. Arkansas: Searcy Co., Little Red River, Hwy 65, 4 January 1997, B. Stark, S. Tucker, 1♂, 2♀ (BPS).

Male epiproct. Apical segment of upper limb ca. 286 μm long and armed on the apical ca. 202 μm with dense patch of wave-like spikes (Figs. 103-106); apical segment ca. 142 μm wide at base and slightly swollen to ca. 164 μm near base of armature; armed area gradually narrowed to a rounded tip. Basal segment of upper limb ca. 572 μm long and ca. 111 μm wide near midlength; basal segment bears a shallow, longitudinal groove extending to near base of apical segment. Greatest width of lower limb ca. 198 μm; marginal area near spoon lined with sparse row of long setae.

Male tergal process. Prominent raised, narrowly divided process on abdominal tergum 8 (Figs. 106- 108). Process on tergum 8 ca. 214 μm wide and covered with scale-like structures; median notch of process ca. 36 μm wide.

Notes

Published as part of Stark, Bill P. & Kondratieff, Boris C., 2012, Epiproct And Dorsal Process Structure In The Allocapnia Forbesi Frison, A. Pygmaea (Burmeister), And A. Rickeri Frison Species Groups (Plecoptera: Capniidae), And Inclusion Of A. Minima (Newport) In A New Species Group, pp. 45-77 in Illiesia 8 (5) on page 72, DOI: 10.5281/zenodo.4760725

Files

Files (1.6 kB)

Name Size Download all
md5:49ead16e4ce5379663c8fd088e171d4a
1.6 kB Download

System files (12.9 kB)

Name Size Download all
md5:a0a1bbd3ef4c11714d3d05fa4388328d
12.9 kB Download

Linked records

Additional details

Related works

Biodiversity

Collection code
BPS
Event date
1997-01-04
Verbatim event date
1997-01-04
Scientific name authorship
Ricker
Kingdom
Animalia
Phylum
Arthropoda
Order
Plecoptera
Family
Capniidae
Genus
Allocapnia
Species
sandersoni
Taxon rank
species
Type status
holotype
Taxonomic concept label
Allocapnia sandersoni Ricker, 1952 sec. Stark & Kondratieff, 2012

References

  • Ricker, W. E. 1952. Systematic studies in Plecoptera. Indiana University Publications, Science Series No. 18. Indiana University Press, Bloomington, Indiana. 200 pp.
  • Ross, H. H. & W. E. Ricker. 1971. The classification, evolution, and dispersal of the winter stonefly genus Allocapnia. Illinois Biological Monographs 45: University of Illinois Press, Urbana, Illinois. 166 pp.