Triznaka, Kondratieff & Baumann, 2012

Kondratieff, Boris C. & Baumann, Richard W., 2012, A New Species Of The Western North American Genus Triznaka From Oregon (Plecoptera: Chloroperlidae), Illiesia 8 (2), pp. 10-15 : 13-14

Key to the species of Triznaka

1 Male: Epiproct present ( Figs. 7, 8 ).……………. 2

1’ Female: Subgenital plate present ( Figs. 2 , 10 ) ... 5

2 Aedeagus with numerous large dark ventral spines at base ( Baumann and Kondratieff 2008, figs. 12-14, 22, 29); pronotal rugosities strongly marked with black.………………….…. T. pintada

2’ Aedeagus lacking large dark ventral spines at base, rugosities unmarked or lightly marked in black ……………………………………...…....….. 3

3 In ventral view, aedeagus with a distinct longitudinal band of reddish-brown setae ( Figs. 3- 6 , 11, 12 ) …………………..….………… T. wallowa

3’ In ventral view, aedeagus lacking a distinct longitudinal band of reddish-brown setae.…… 4

4 In ventral view, aedeagus midlength with a broad mushroom- shaped patch of long, golden hairs ( Baumann and Kondratieff 2008, figs. 15-17, 23, 24, 31); aedeagus ringed with a subapical band of raised reticulations ( Baumann and Kondratieff 2008, figs. 15-17, 23, 24, 31); median pronotal stripe wide in entire length ……………. T. signata

4’ In ventral view, basal half of aedeagus sparsely covered with thin hair-like setae ( Baumann and Kondratieff 2008, figs. 18-20), medially with an irregular elongate patch of thin spines ( Baumann and Kondratieff 2008, figs. 20, 33); subapically beyond median lobe, spines comb-like, triangular process ventrally at apex ( Baumann and Kondratieff 2008, figs. 34-36); pronotal stripe narrow, wider anteriorly and posteriorly ……………………………………...…… T. sheldoni

5 Apical margin of subgenital plate rounded ( Baumann and Kondratieff 2008, figs. 40, 41); median pronotal stripe uniformly wide in entire length ……………………………...…….. T. signata

5’ Apical margin of subgenital plate truncate or notched ( Baumann and Kondratieff 2008, figs. 38, 42-44) ( Figs. 2 , 10 ); median pronotal stripe not of uniform width ……………………….……………. 6

6 Apical margin of subgenital plate truncate entire to slightly emarginate ( Baumann and Kondratieff 2008), figs. 37-39); pronotal rugosities strongly marked with black ………………….…. T. pintada

6’ Apical margin of subgenital plate usually deeply emarginate to notched ( Baumann and Kondratieff 2008, figs. 42, 43) ( Figs. 2 , 10 ); pronotal stripe wider anteriorly and posteriorly ( Fig. 1 ); rugosities unmarked or lightly marked with black ..…….. 7

7 Subgenital plate broad at apex ( Baumann and Kondratieff 2008, figs. 42, 44) ……….. T. sheldoni

7’ Subgenital plate narrowered at apex ( Figs. 2 , 10 ) …………………………………...………. T. wallowa

Figures

Figures 3-10. Triznaka wallowa, Fry Meadow Creek, Oregon. 3. Male, aedeagus, ventral. 4. Male, aedeagus, lateral. 5. Male, aedeagus, ventral spine patch. 6. Male, aedeagus, ventral spine patch, magnified. 7. Male, epiproct, dorsal. 8. Male, epiproct, dorsolateral. 9. Male, sternum 7, hammer. 10. Female, subgenital plate, ventral.

Figures 1-2. Triznaka wallowa, Fry Meadow Creek, Oregon. 1. Head and pronotum. 2. Female, terminalia, ventral.

Figures 11-12. Triznaka wallowa, Fry Meadow Creek, Oregon. 11. Male, terminalia and aedeagus, lateral. 12. Male, aedeagus, ventral.