Calyptobates

Jehamalar, E. Eyarin & Chandra, Kailash, 2014, On the genus Calyptobates Polhemus & Polhemus (Hemiptera: Heteroptera: Gerridae) from India with description of a new species and a key to the species of World, Zootaxa 3873 (3), pp. 285-292 : 286

Key to the species of Calyptobates

1. Entire venter completely dark medially, except prosternum; mesonotum without yellow stripes; light markings, if present, poorly defined, on lower pleural region of mesonotum............................. C. minimus Polhemus & Polhemus

- Entire venter not completely dark, mesosternum with light markings............................................ 2

2. Basal one fourth of fore femur yellowish, rarely basal one third in females; base of mid femur narrowly yellowish........ 3

- Basal half of fore femur yellowish; base of mid-femur broadly yellowish ( Figs. 1 F, 2F, G)............................ 6

3. Mesonotal yellow stripe absent or barely present..................................... C. kopi Polhemus & Polhemus

- Mesonotal yellow stripe broad........................................................................... 4

4. Mesonotal yellow stripe widely separated, not fused anteriorly, in males the stripes are linear................................................................................................... C. jourama Polhemus & Polhemus

- Mesonotal yellow stripe fused anteriorly................................................................... 5

5. Mesonotal yellow stripe fused anteriorly in both sexes.............................. C. rubidus Polhemus & Polhemus

- Mesonotal yellow stripe broad and fused anteriorly in males, but in females widely separated................................................................................................... C. simplex Polhemus & Polhemus

6. Mesonotal yellow stripe fused anteriorly......................................... C. kamoro Polhemus & Polhemus

- Mesonotal yellow stripe widely separated anteriorly ( Figs. 1A, B , 2A, B)......................................... 7

7. Mesosternal median dark mark indistinctly or not confluent with the posterior transverse dark mark (Figs. 2F, G).......... 8

- Mesosternal median dark mark distinctly confluent with the posterior transverse dark mark.......................... 9

8. Mesopleural dark stripe broad, mostly reaching posterior margin ( Fig. 1C ); hind trochanters of female not convergent, when specimens are in dry condition, apex not produced and without fringe of long hairs, ( Fig. 1B ).................................................................................................. C. andaman Polhemus & Polhemus

- Dark longitudinal stripe on mesopleura absent (Figs. 2C, D), hind trochanter of female convergent, when specimens are in dry condition, apex slightly bluntly produced and fringed with long hairs ( Figs. 1 E, 2B, G)................. C. rajani sp. nov.

9. Light markings on mesonotum absent or linear and parallel....................... C. samarinda Polhemus & Polhemus

- Light markings on mesonotum broad, diverge posteriorly........................... C. amboina Polhemus & Polhemus

Figures

FIGURES 1 A – D, F – L. Calyptobates andaman (A, D, F – K: male; B, C, L: female): A, B and F, dorsal view; C, lateral view showing mesopleural stripe; D, abdominal segment VIII, ventral view; E, abdominal segment VIII and genitalia, ventral view; F, macropterous form; G, genital capsule, lateral view; H, proctiger, dorsal view; I, pygophore, parameres and endosoma, ventral view; J, endosoma, dorsal view; K, endosoma, lateral view showing sclerites; L, gonapophyses and proctiger, ventral view. E, Calyptobates rajani sp. nov. female hind trochanter, ventral view, showing fringe of long hairs (abs—auxillary basal sclerite, as—apical sclerite; ba—basal articulatory apparatus, bs—basal sclerite; ds—dorsal sclerite; dsp—dorsal sclerite projection; en—endosoma; G-I—first gonapophysis; G-II—second gonapophysis; ls—lateral sclerite; pa—paramere; pr—proctiger; py—pygophore; vs—ventral sclerite).