Martarega

Padilla-Gil, Dora N., 2010, Two new species of Martarega (Hemiptera: Heteroptera: Notonectidae) and a new species of Tachygerris (Hemiptera: Heteroptera: Gerridae) from Colombia, Zootaxa 2560, pp. 61-68 : 67-68

Key to determine the present species of genus Martarega from Colombia

1 Males shorter than 5.0; width maximum 1.1−1.4 .........................................................................................................2

- Males longer than 6.5; width maximum 2.0−2.2.......................................................................................................... 4

2 Ventral surface of mesotrochanter with a median nodule ( Fig. 14). Male length 4.1−4.2; width maximum 1.1−1.2. Hemelytral process not extending to tip of membrane.................................................................................... M . chinai

- Ventral surface of mesotrochanter without a median nodule. Length and width of male according with species. Hem- elytral process depending species ................................................................................................................................. 3

3 Hemelytral process usually extending to tip of membrane ( Fig. 15 ). Male length 4.1−4.2; width maximum 1.1−1.2............................................................................................................................................................. M . membranacea

- Hemelytral process not extending to tip of membrane ( Fig. 16). Male length 4.77 width maximum 1.37... M. pacifica

4 Male length 7.06, width maximum 2.2. Hemelytral process not extending to tip of membrane ( Fig. 4 ). Female with a preapical spine in middle femur ( Fig. 5 ).................................................................................................... M . lofoides

- Male length 6.93, width maximum 2.04. Hemelytral process not extending to tip of membrane ( Fig. 2 ). Female lacking a preapical spine in middle femur.......................................................................................................... M . awa

Figures

FIGURE 15. Martarega membranacea, hemelytron of male (Truxal 1949)

FIGURES 2 – 6. Structural details of Martarega new species. 2 – 3, M. awa, 2 hemelytron of female, 3 male genital capsule; 4 – 6, M. lofoides, 4 hemelytron of female, 5 middle leg, omitted tarsus, 6 male genital capsule.