Heteragrion chlorotaeniatum De Marmels, 1989

Vilela, Diogo Silva, Lencioni, Frederico A. A., Bota-Sierra, Cornelio A., Ware, Jessica L. & Bispo, Pitágoras C., 2023, Taxonomic revision of the Neotropical genus Heteragrion Selys, 1862 (Zygoptera: Heteragrionidae): male morphology, new species and illustrated key, Zootaxa 5356 (1), pp. 1-96 : 36

Heteragrion chlorotaeniatum De Marmels, 1989

( Figs. 22a–e )

[Key locator: Key to Group B species, couplet 24 (23)]

Heteragrion chlorotaeniatum: De Marmels 1989: 18–19 (description and diagnosis of ♁ and ♀ from Venezuela; comparison with H. bariai ; figs. 37–47);— De Marmels 1990: 335 (species recorded in Venezuela);— De Marmels 2004: 442 (description of F0 exuvia; figs. 27, 32, 40);— Garrison et al. 2010: 88 (list of Heteragrion species);— Vivas-Santeliz & De Marmels 2017: 49 (listed among species endemic to Venezuela).

Material examined. 1♁ (PARATYPE) VENEZUELA, Amazonas, Cerro de la Neblina, Base Camp , 13- 15.iii.1984, J. Clavijo & De Marmels leg., ABMM .

Known distribution. Southern Venezuela.

Diagnosis and remarks. Heteragrion chlorotaeniatum is morphologically close to H. flavidorsum , but the following character combination distinguishes it from this and all remainder of Group B species: BP greatly swollen or expanded; ridge above ML roughly bean-shaped, with two rows of teeth ( Figs. 22c–e ); ML apex acute ( Figs. 22c–e ).

Figures

FIGURE 22. Heteragrion chlorotaeniatum: (a) anterior view of head; (b) lateral view of pterothorax; (c–d) mediodorsal view of cercus; (e) dorsal view of cercus. BP: basal portion; ML medial lobe.