Sikkimocoris rumtek, Heiss, 2010

Heiss, E., 2010, A new genus and species of micropterous Oriental Aradidae (Hemiptera, Heteroptera, Aradidae), Linzer biologische Beiträge 42 (1), pp. 81-87 : 83

Sikkimocoris rumtek nov.sp. ( Fig. 5-8 ; photo 1, 2)

M a t e r i a l e x a m i n e d Holotype 3: India, Sikkim, Rumtek Monastery at 2000m, 7.IV.1999 E. Heiss lg.; paratypes: 3♀♀ collected with holotype.

D e s c r i p t i o n: Male, micropterous, colouration dark brown to blackish, surface

shiny. As the structures are described for the genus, only few additional data are given.

H e a d: Longer than wide (28 (24)/ 22.5); antennae 1.92x as long as width of head, segment I club shaped, longest and thickest, II and III shorter and thinner, IV shortest and clavate, length of segments I/II/III/IV = 14/9/12/8.

P r o n o t u m Of subrectangular shape, at posterior lobes more than 3x as wide as long at middle (33/10), at anterolateral angles narrower (31) but rounded and not produced over ring like collar.

S c u t e l l u m: Wider than long (26/18),median hump highest on anterior half beset with fine setigerous granulation, disk laterally with punctures.

H e m e l y t r a: Wing pad sclerites without clavus or traces of membrane.

A b d o m e n:Oval,posterolateralanglesofdeltgII-VI carinate and slightly produced laterally, those of deltg VII without a carina and angulately directed posteriorly; tergal plate consisting of mtg III-VI, with a median longitudinal elevation on mtg III-IV which is highest and widest on mtg III, scent gland scars are marked on mtg IV and V.

G e n i t a l i c s t r u c t u r e s: Pygophore pyriform attenuated posteriorly, paramers as fig. 5-8, paratergites VIII small and clavate, shorter than the pygophore.

M e a s u r e m e n t s: Length 5.5mm; length of antennae 2.15mm; width of abdomen across tergite IV 2.5mm.

F e m a l e: Basically as male but of larger size and wider and more rounded abdomen, tergite VII with a curved median transverse carina on posterior half, posterolateral angles roundedly produced; segment VIII bilobate, shorter than visible tricuspidate tergite IX+X.

M e a s u r e m e n t s: Length of the three specimens: 6.5, 6.8 and 6.9mm; ratio length of antennae / width of head 1.86, 1.85 and 1.88; length of antennal segments I/II/III/IV = 15/10/13.5/18 – 15/10/14/9 – 16/11/14/8.

E t y m o l o g y: Named after the important Buddhist Monastery Rumtek west of the Sikkim capital Gangtok; in its environment this species was collected.

Figures

Fig. 1-8: (1, 2) Pahangiessa bulboscutellata; (3, 4) Pahangiessa schuhi nov.sp.; 1, 3 lateral view; 2, 4 right hind leg.; (5-8) Sikkimocoris rumtek nov.sp., paramere in different positions. Abbreviations: he – highest elevation on tergal plate; lpe – lateral pronotal expansion; mep – median elevation of pronotum; ms – metathoracic scent gland canal; mt – metanotum; mtg 1, 2 – fused mediotergites 1 and 2; mtg 7 – mediotergite 7; pot – postocular tubercle; py – pygophore; sc – scutellar hump or elevation; wp – reflexed lateral margin of wingpad. Scale 1 mm for fig. 1-4; 0.1mm for fig. 5-8.