Coridromius eremnos Tatarnic and Gerasimos Cassis & Nsw & Nsw 2013, sp. nov.
Creators: name: Tatarnic, Nikolai J.
name: Cassis, Gerasimos
Publisher: name: Zenodo
Year: 2013
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hemiptera
Miridae
Coridromius
Coridromius eremnos

description: Coridromius eremnos sp. nov.
Fig. 2 A-B
urn:lsid:zoobank.org:act: 648C3E10-2191-4855-86C6-7C378496F567
Diagnosis
Recognized by the following combination of characters: body uniformly black with pale silvery hairlike setae; head black with yellow margins; antennae banded dark brown and pale yellow; proepimeron bilobed.
Etymology
Named for the Greek eremnos, meaning black.
Type material
Holotype
♀, MALAYSIA: Sabah, beaches 2 km NW of Kuala Penyu, 10 Aug. 1983, G. F. Hevel and W. E. Steiner (AMNH_PBI 00191199) (USNM).
Description
BODY LENGTH. ♀ (holotype): 1.68 mm.
COLOURATION (Fig. 2 A-B). Almost entirely dark brown/black, with some white and pale yellow markings. Head: Black with pale yellow trim along inner ocular margin and posterior margin (Fig. 2 A-B). Labium with first segment dark brown, the remainder orange-yellow. Antennae: AI dark brown with white apices, AII dark brown with narrow white medial annulation, AIII and AIV dark brown with white basal annulation (Fig. 2A). Thorax: Pronotal collar, pronotum, mesoscutum and scutellum uniform dark brown/black (Fig. 2A). Thoracic pleura dark brown/black. Anterior proepimeral lobe white, posterior lobe black. Evaporative area of metathoracic scent gland orange-yellow. Hemelytra: Uniform dark brown/black, membrane brown with dark brown veins. Abdomen: Dark brown/black. Legs: Pro- and mesofemora dark brown with apical ¼ orange-yellow, pro- and mesotibia orange-yellow with faint brown subbasal annulations, metatibia and metafemur uniform dark brown, metafemur without transverse banding. All tarsi yellow with claws brown.
SURFACE AND VESTITURE (Fig. 2 A-B). Head, pronotum, thoracic pleura, scutellum, and hemelytra impunctate. Body clothed in long, white, decumbent setae [most setae knocked off the specimen].
HEAD. Approximately 5.6 x as wide as eye in anterior view (Fig. 2B). Frons strongly medially tumescent, merging with two minor swellings adjacent to eyes. Posterior margin of head rounded, weakly carinate. Antennae shorter and stouter than in other species, with AII slightly less than width of head (AII> than head width in others) (Fig. 2A).
THORAX. Pronotum broad and steep, posterior margin weakly convex, lateral and posterior margins weakly carinate, submarginal region of humeral angles excavate, calli obsolete (Fig. 2A). Proepimeron bilobed. Posterior margin of metepimeron truncate. Scutellum tumid (Fig. 2A).
HEMELYTRA. Margins of embolium weakly flared towards cuneus (Fig. 2A).
LEGS. Metatibial spines prominent.
ABDOMEN. Posterolateral margin of abdominal sternite II angular, weakly carinate and slightly flared.
MALE GENITALIA. Unknown.
FEMALE PARAGENITALIA. No obvious paragenital structures visible.
Host
No host plant data.
Distribution
Known only from Sabah.
Remarks
Only one other species, C. nigrus Carvalho, 1987 shares a nearly uniform black colouration. However, these species are readily separated by the proepimeron (unilobed in C. nigrus, bilobed in C. eremnos sp. nov.), and the female paragenitalia, which in C. nigrus is recognised by a well-defined swelling of the right abdominal laterotergites II and III, and the posterior margin of abdominal sternite II strongly carinate and flared to expose a putative copulatory opening.
description: Published as part of Tatarnic, Nikolai J. & Cassis, Gerasimos, 2013, Description of eight new species of the traumatically inseminating plant bug genus Coridromius (Heteroptera: Miridae: Orthotylinae: Coridromini), pp. 1-24 in European Journal of Taxonomy 35 (35) on pages 5-7, DOI: 10.5852/ejt.2013.35, http://zenodo.org/record/3806574