Lachlania abnormis Hagen, 1868

L, Carlos Naranjo, Peters, Janice G., del, Pedro López & Castillo, 2019, Ephemeroptera (Insecta) in Cuba, Insecta Mundi 2019 (736), pp. 1-52 : 10-11

A.13. Lachlania abnormis Hagen, 1868

Figure 35 .

Lachlania abnormis Hagen 1868:372 (female).

Syntypes. Female imagos. “ Cuba,” Wright.

Lachlania abnormis was described by Hagen from specimens collected by Ch. Wright in Cuba based on specimen data in Hagen (1868). The report that they were collected in Rangel ( Gundlach 1886) cannot be confirmed. In spite of intensive collection efforts, we have been unable to discover any specimens of Oligoneuriidae in Cuba. However, the genus Lachlania is widely distributed in Central America ( Mexico, Guatemala, Panama, Honduras, Nicaragua) and L. abnormis has been reported from El Salvador ( McCafferty 1985). Possibly the record from Cuba is a case of a local extinction, but it seems equally possible that the type series ( Fig. 35 ) came from mislabeled specimens.

In the absence of any specimens from Cuba, figures ( Fig. 34a–b ) of a nymph of Lachlania sp. from Panama were provided by Dan Pickard, Center for Water and Environment, California State University, Chico.

Ecology. Not currently known from Cuba. In general nymphs inhabit fast current and wedge their bodies between rocks or snags, sometimes clinging to the underside of rocks. Some species mate in midmorning and others near sunset ( Domínguez et al. 2006).

Geographic distribution. No locality in Cuba is known for the species.

Figures

Figures 31–35. Baetidae and Oligoneuriidae.31) Caribaetis planifrons¸ habitus. 32)Caribaetis alcarrazae, habitus. 32a) Lateral. 32b) Dorsal). 33. Paracloeodes lilliputian. 33a) Foreclaw. 33b) Habitus. 33c) Detail of marking on lateral abdominal segment 9. 34) Lachlania sp. from Panama. 34a) Ventral head capsule and anterior thorax. 34b) Habitus. 35) Lachlania abnormis, drawing from only Cuban record (Hagen 1868), one of 6 females collected by Ch. Wright.