Careospina evanescens (Kluge, 1994)

L, Carlos Naranjo, Peters, Janice G., del, Pedro López & Castillo, 2019, Ephemeroptera (Insecta) in Cuba, Insecta Mundi 2019 (736), pp. 1-52 : 14-15

A.22. Careospina evanescens (Kluge, 1994)

Figures 11 , 49 .

Hagenulus (Careospina) evanescens Kluge 1994:276 (male and female imagos, nymph, egg).

Holotype. Male imago, Province Santiago de Cuba, Arroyo Paco ( Río Palma Mocha ), 15-V-1985, C. Naranjo.

The species was described from specimens collected in the Paco stream, Río Palma Mocha, in the

Turquino Massif (Kluge 1994). It is easily recognized by its solid dark tergal coloration.

Ecology. The species has been found at an altitude of 300 m and water temperature of 28 °C (median temperature of the Río Mayarí) up to 1750 m in streams with temperatures of 17 °C to 20 °C (La Bayamesa). Most nymphs were collected at higher altitudes between 850 and 1750 m where 39 nymphs were found in June ( López et al. 2004).

Geographic distribution. Originally described from Santiago de Cuba Province, the species was encountered a second time in the Eastern Region by Aldana and Fonseca (2001): one nymph, Holguín Province, Río Mayarí, June 1999. A review of the material from these authors discovered another 23 specimens from the Río Mayarí itself: 14 nymphs on 28-I-2001, 2 nymphs on 30-I-2001, 7 nymphs on 6-VI-2009. Another nymph was found in the collection dated 20-VI-2003 from the Río Mula, thus expanding the geographic distribution of the species. López et al. (2004, 2005) also report the species from Bayamesa ( Fig. 11 ). In summary, the species is endemic to the eastern Region and found in the two most important mountain massifs: Sierra Maestra and Nipe-Sagua-Baracoa.

Figures

Figures 10–13. Distribution records for Ephemeroptera in Cuba.10) Careospina hespera hespera, C.h. sierramaestrae, C. minuta. 11) Careospina baconaoi, C. evanescens. 12) Traverina cubensis, T. oriente. 13) Mesoplocia inaccessibile.

Figures 47–52. Leptophlebiidae. 47) Labial palpi comparing segmentation ratios of Careospina hespera hespera and Borinquena sexta. 48) Borinquena sexta. 48a) Terga 6–10. 48b) Habitus. 49) Careospina evanescens, terga 3–10. 50) Careospina baconaoi. 50a) Male, terga 5–10. 50b) Female, terga 6–9. 51) Careospina hespera hespera, terga 5–10. 52) Careospina hespera sierramaestrae. 52a) Terga 3–10. 52b) Gill. 52c) Foreclaw. 52d) Habitus. Figure 51 after Peters 1971.