Cloeon smaeleni Lestage, 1924

Kaltenbach, Thomas, Mary, Nathalie & Gattolliat, Jean-Luc, 2021, The Baetidae (Ephemeroptera) of the Comoros and Mayotte, African Invertebrates 62 (2), pp. 427-463 : 427

2. Cloeon smaeleni Lestage, 1924

Cloeon smaeleni : Salles et al. 2014: figs 1-17; Gattolliat and Rabeantoandro 2002: figs 1-10.

Diagnoses.

Nymph. Following combination of characters: A) labrum on dorsal surface with stout, simple setae in anterior part, not forming an arc; B) both mandibles with long, stout setae between prostheca and mola; C) labial palp with enlarged, falcate segment III; C) maxillary palp with three segments; D) claw with long pointed elongation; with two rows of denticles; E) gills formed by two lamellae, upper lamella rounded and almost as developed as the lower one.

Distribution

(Fig. 5 ). Comoros (Grande Comore, Anjouan), Mayotte, La Réunion ( Gattolliat 2004), Madagascar ( Gattolliat and Rabeantoandro 2002), continental Afrotropics, Brazil (introduced, Salles et al. 2014 and citations therein).

Biological aspects.

In the Comoros, the specimens were collected in a crater lake on the island of Anjouan at an altitude of 900 m and in a cistern with collected rainwater on Grande Comore (altitude 100 m). In Mayotte, the specimens were collected at altitudes from sea level to 100 m.

Material examined.

Comoros • 66 nymphs; Anjouan, Lac Sacré, crater lake, slope of N'Tingiu Mtns ; 900 m; 12.03.1974; leg. F. Starmühlner; 2 on slides; GBIFCH00592748 , GBIFCH00592749 ; 64 in alcohol; GBIFCH00515661 , GBIFCH00515662 , GBIFCH00515663 ; MZL, FAMU • 17 nymphs; Grande Comore, in village N of Moroni; 28.02.1974; leg. F. Starmühlner; in alcohol; GBIFCH00515664 ; MZL, FAMU . Mayotte • 1 nymph; Riv. Dembeni , Loc. Dembéni aval; 12°50'31"S, 45°10'22"E; 10 m; 17.05.2006; leg. N. Mary; on slide; GBIFCH00592751 ; MZL • 1 nymph; Bas. Ourovéni, Riv. Haoutoungou, Lac Karihani ; 12°47'49"S, 45°07'20"E; 19.05.2006; leg. N. Mary; on slide; GBIFCH00592752 ; MZL • 3 nymphs; Bas. Riv. Djalimou, Djalimou aval ; 12°57'14"S, 45°06'51"E; 15 m; 14.04.2009; leg. N. Mary; in alcohol; GBIFCH00515672 ; FAMU • 1 nymph; Bas. M’Tsangachéhi, Loc. M'Tsangachehi aval ; 12°53'04"S, 45°07'55"E; 10 m; 14.04.2009; leg. N. Mary; in alcohol; GBIFCH00515676 ; MZL • 1 nymph; Bas. Riv. Bouyouni, Loc. Bouyouni intermediaire ; 12°44'55"S, 45°08'36"E; 40 m; 16.04.2009; leg. N. Mary; in alcohol; GBIFCH00515678 ; MZL • 2 nymphs; Riv. Dembéni, Loc. Dembeni intermediaire ; 12°51'07"S, 45°09'41"E; 95 m; 20.04.2009; leg. N. Mary; in alcohol; GBIFCH00515717 ; MZL • 1 nymph; Riv. Dapani aval, P1 ; 12°58'05"S, 45°07'39"E; 25 m; 19.08.2018; leg. N. Mary; in alcohol; MZL .

Figures

Figure 5. Distribution of Afroptilum bicorne and Cloeon smaeleni in the Comoros Archipelago.