Elanela Rolston , 1980

Barros, Lurdiana Dayse De, Barão, Kim Ribeiro & Grazia, Jocelia, 2020, New species and new distributional records of Elanela Rolston, 1980 (Heteroptera: Pentatomidae), Zootaxa 4747 (3), pp. 585-592 : 586

Key to the species of Elanela Rolston, 1980 (adapted from Grazia et al. 2016)

1. Disk of scutellum callused, callus ivory, femora yellowish or light castaneous..................................... 2

- Disk of scutellum lacking callus medially, punctuated; if callus present, femora dark castaneous....................... 3

2. Urosternite VII black medially; gonocoxites VIII as long as wide; gonocoxites IX flat, level with gonocoxites VIII........................................................................... E. scutomaculata Grazia, Barros & Barão

- Urosternite VII castaneous medially; gonocoxites VIII wider than long; gonocoxites IX swollen...... E. colombiana sp. nov.

3(1). Distal half of femur of each metathoracic leg black.......................... E. nigrofemorata Grazia, Barros & Barão

- Femur of each leg castaneous............................................................................ 4

4(3). Pygophore with marginal processes on each side of dorsal rim medially, each marginal process projected posteriorly and inwards genital cup; segment X elongate, carinate dorsally, sinuous posteriorly, and blunt apically; sutural margins of gonocoxites VIII separated, parallel to each other; posterior margin of gonocoxites IX deeply notched medially...................................................................................... E. diamphidiosa Grazia, Barros & Barão

- Pygophore lacking processes on dorsal rim; segment X flat dorsally, U-shaped posteriorly; sutural margins of gonocoxites VIII juxtaposed; posterior margin of gonocoxites IX straight or shallowly notched medially.............................. 5

5(4). Male............................................................................................... 6

- Female............................................................................................ 11

6(5). Segment X surpassing posterior margin of pygophore........................................................ 7

- Segment X not surpassing posterior margin of pygophore.................................................... 10

7(6). Parameres acute apically; inferior fold of ventral rim of pygophore with U-shaped excavation medially.................................................................................................. E. jordi Grazia & Greve

- Parameres quadrate apically; inferior fold of ventral rim of pygophore with W-shaped excavation or tubercle medially.... 8

8(7). Pygophore globose; ventral rim rounded laterally; apices of parameres not juxtaposed medially.......... E. hevera Rolston

- Pygophore quadrate; ventral rim triangular laterally; apices of parameres juxtaposed medially........................ 9

9(8). Scutellum black basally and castaneous distally; dorsal rim of pygophore entire medially....... E. kerzhneri Grazia & Silva

- Scutellum entirely black; dorsal rim of pygophore notched medially........................... E. ecuatoriana sp. nov.

10(6). Parameres reduced, scarcely visible dorsally; projections of ventral rim of pygophore stout, quadrate apically...................................................................................... E. rafaeli Grazia, Barros & Barão

- Parameres well-developed, visible dorsally; projections of ventral rim of pygophore triangular apically........................................................................................ E. fernandesi Grazia, Barros & Barão

11(5). Apex of each laterotergite IX acute, well-surpassing tergite VIII posteriorly..................... E. jordi Grazia & Greve

- Apex of each laterotergite IX obtuse, not or barely surpassing tergite VIII posteriorly.............................. 12

12(11). Posterior margin of gonocoxites IX sinuate, notched medially..................................... E. hevera Rolston

- Posterior margin of gonocoxites IX straight, entire......................................... E. ecuatoriana sp. nov.