Mesoveliidae

Floriano, Carla Fernanda Burguez, Moreira, Felipe Ferraz Figueiredo, Bispo, Pitágoras Da Conceição, Morales, Irina & Molano-Rendón, Fredy, 2016, A new species of Mesovelia (Heteroptera: Gerromorpha: Mesoveliidae) from South America, with identification key and notes on Colombian species, Zootaxa 4175 (4), pp. 345-352 : 351

Key to males of Mesoveliidae from Colombia

[modified from Spangler (1990) and Moreira (2015)]

1. Monomorphic macropterous; pretarsal claws preapical.............. Mesoveloidea Hungerford [ M. williamsi Hungerford ]

- Wing dimorphic (macropterous or apterous); pretarsal claws apical........................ Mesovelia Mulsant & Rey 2

2. Mesofemur with a ventral row of black spinules............................................................ 3

- Mesofemur without row of black spinules.................................................................. 4

3. Body length 2.50–2.75 mm; mesofemur with 25 black spinules ventrally; sternum VIII with two widely separated rows of thin spinules, each row with three to five spinules.............................................. M. halirrhyta Polhemus

- Body length 2.80–3.70 mm; mesofemur with fewer than 15 black spinules; sternum VIII with two tightly packed clusters of stout black spinules .............................. ……………………………………………………………………… M. mulsanti White

4. Sixth abdominal sternum with posteromedial fringe of black spinules ( Fig. 1 B, 2B), parameres shaped as in Figs. 3 B, D.. 5

- Sixth abdominal sternum without posteromedial fringe of black spinules, parameres shaped as in Fig. 3 A. M. amoena Uhler

5. Body length 1.5–1.8 mm; posterior margin of abdominal tergum VIII with a weak notch ( Fig. 1 A); abdominal pleuron VIII with anterodorsal tubercle ( Fig. 1 C); abdominal sternum VI with posteromedian projection rounded ( Fig. 1 B); paramere with margins converging and apex single ( Fig. 3 D)............................................. M. tuberculata sp. nov

- Body length about 2.4 mm; abdominal tergum VIII with posterior margin straight ( Fig. 2 A); abdominal pleuron VIII without tubercle ( Fig. 2 C); abdominal sternum VI with posteromedian projection acute ( Fig. 2 B); paramere with margins diverging and apex bifid ( Fig. 3 C)................................................................ M. zeteki Harris & Drake

Figures

FIGURE 1. Mesovelia tuberculata sp. nov. (A) male, holotype, dorsal view; (B) male, holotype, ventral view; (C) male, holotype, lateral view; (D) female, paratype, dorsal view; (E) female, paratype, ventral view.

FIGURE 2. Mesovelia zeteki Harris & Drake, holotype, male. (A) dorsal view; (B) ventral view; (C) lateral view.

FIGURE 3. Parameres. (A) M. amoena Uhler [modified from Spangler (1990)]; (B) M. mulsanti White [modified from Moreira et al. (2008)]; (C) M. zeteki Harris & Drake; (D) M. tuberculata sp. nov..