On the Rediscovery of Onychomesa Susainathani, an Emesine Bug Endemic to India (Heteroptera: Reduviidae: Emesinae)

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On the Rediscovery of Onychomesa Susainathani, an Emesine Bug Endemic to India (Heteroptera: Reduviidae: Emesinae) PLATINUM The Journal of Threatened Taxa (JoTT) is dedicated to building evidence for conservaton globally by publishing peer-reviewed artcles online OPEN ACCESS every month at a reasonably rapid rate at www.threatenedtaxa.org. All artcles published in JoTT are registered under Creatve Commons Atributon 4.0 Internatonal License unless otherwise mentoned. JoTT allows allows unrestricted use, reproducton, and distributon of artcles in any medium by providing adequate credit to the author(s) and the source of publicaton. Journal of Threatened Taxa Building evidence for conservaton globally www.threatenedtaxa.org ISSN 0974-7907 (Online) | ISSN 0974-7893 (Print) Short Communication On the rediscovery of Onychomesa susainathani, an emesine bug endemic to India (Heteroptera: Reduviidae: Emesinae) Hemant Vasant Ghate & Balasaheb Sarode 26 February 2019 | Vol. 11 | No. 3 | Pages: 13395–13401 DOI: 10.11609/jot.4546.11.3.13395-13401 For Focus, Scope, Aims, Policies, and Guidelines visit htps://threatenedtaxa.org/index.php/JoTT/about/editorialPolicies#custom-0 For Artcle Submission Guidelines, visit htps://threatenedtaxa.org/index.php/JoTT/about/submissions#onlineSubmissions For Policies against Scientfc Misconduct, visit htps://threatenedtaxa.org/index.php/JoTT/about/editorialPolicies#custom-2 For reprints, contact <[email protected]> The opinions expressed by the authors do not refect the views of the Journal of Threatened Taxa, Wildlife Informaton Liaison Development Society, Zoo Outreach Organizaton, or any of the partners. The journal, the publisher, the host, and the part- Publisher & Host ners are not responsible for the accuracy of the politcal boundaries shown in the maps by the authors. Partner Member Threatened Taxa Journal of Threatened Taxa | www.threatenedtaxa.org | 26 February 2019 | 11(3): 13395–13401 On the rediscovery of Onychomesa susainathani, an emesine bug endemic to India (Heteroptera: Reduviidae: Emesinae) 1 2 ISSN 0974-7907 (Online) Hemant Vasant Ghate & Balasaheb Sarode Communication Short ISSN 0974-7893 (Print) 1,2 Post-Graduate Research Centre, Department of Zoology, Modern College of Arts, Science & Commerce, Shivajinagar, PLATINUM Pune, Maharashtra 411005, India. 1 [email protected] (corresponding author), 2 [email protected] OPEN ACCESS Abstract: Onychomesa susainathani Wygodzinsky, 1966, an emesine Madhya Pradesh, India; this must possibly be a bug known so far only from its type specimen, is illustrated with typographic error in the original descripton). This is the additonal descriptve notes herein from Maharashtra State in India. It is a rediscovery afer about 60 years. type species of Onychomesa, a genus currently including only three species; these are, along with their respectve Keywords: Emesinae, Hemiptera, Maharashtra, Metapterini, thread- legged bug. recorded countries, O. susainathani (India), O. sauteri Wygodzinsky, 1966 (Taiwan), and O. gokani Ishikawa, 2000 (Japan). A thread-legged bug belonging to the tribe O. susainathani was never reported from any part Metapterini (Hemiptera: Heteroptera: Reduviidae: of India or elsewhere since its original descripton. Emesinae), found dead trapped in a spider web, Furthermore, because the specimen examined in the was collected near Pune in Maharashtra, India, in course of the present study exhibits some discrepancies November 2017. It showed the main key characters with the original descripton and illustratons, additonal of the genus Onychomesa Wygodzinsky, 1966, namely, descripton of the variaton and several colour the presence of a triangular projecton on apical halves illustratons are provided in the present paper. of claws of mid and hind legs ventrally, the pygophore of male subsemicircular in lateral view, and rod- Material and Methods shaped parameres. It was subsequently identfed as Material examined: MCZH 140, 1 ex., male, Onychomesa susainathani Wygodzinsky, 1966 based on 17.xi.2017, 25km north of Pune, coll. B. Sarode. its original descripton (Wygodzinsky 1966). The material is deposited in Modern College, Pune. Onychomesa susainathani was described based on The methods of study follow that outlined in a recent two male specimens (one holotype and one paratype) paper by Sarode et al. (2018b). from ‘Jahalpur, central India’ (actually Jabalpur in DOI: htps://doi.org/10.11609/jot.4546.11.3.13395-13401 | ZooBank: urn:lsid:zoobank.org:pub:DE224174-0327-438C-A1D3-D6B40E010B7F Editor: Hélcio R. Gil-Santana, Insttuto Oswaldo Cruz, Rio de Janeiro, Brasil. Date of publicaton: 26 February 2019 (online & print) Manuscript details: #4546 | Received 04 September 2018 | Final received 10 January 2019 | Finally accepted 30 January 2019 Citaton: Ghate, H.V. & B. Sarode (2019). On the rediscovery of Onychomesa susainathani, an emesine bug endemic to India (Heteroptera: Reduviidae: Emesinae). Journal of Threatened Taxa 11(3): 13395–13401; htps://doi.org/10.11609/jot.4546.11.3.13395-13401 Copyright: © Ghate & Sarode 2019. Creatve Commons Atributon 4.0 Internatonal License. JoTT allows unrestricted use, reproducton, and distributon of this artcle in any medium by adequate credit to the author(s) and the source of publicaton. Funding: None. Competng interests: The authors declare no competng interests. Acknowledgements: We are indebted to Dr. Dávid Rédei (Nankai University, China) for support throughout our work, for reading the frst draf of this note, and for making valuable suggestons to improve its contents. We thank Dr. James Carpenter and Dr. Ruth Salas (American Museum of Natural History, New York, USA) for helping us in getng images of the holotype and for permission to use the images. We also thank Dr. Salas for reexamining the type and providing us with comments on some characters. We thank Swapnil Boyane for excellent assistance in dissecton, photography, and preparaton of images used here. We are indebted to the authorites of Modern College, Pune, for the facilites and encouragement provided. 13395 Rediscovery of Onychomesa susainathani from India Ghate & Sarode Taxonomy evident in ventral view; some pale motling seen along Reduviidae: Emesinae: Metapterini prominent median keel as well. Posterior margin of third Genus Onychomesa Wygodzinsky, 1966 and fourth sternite appears as a thin pale line. Forelegs Onychomesa Wygodzinsky, 1966: 530. Type species mostly brown; fore coxae pale brown with a small pale by original designaton: Onychomesa susainathani spot near apex, fore femur brown with oblique pale lines Wygodzinsky, 1966. on inner and outer surfaces, fore tbia with one small Onychomesa: Hsiao & Ren (1981: 393), Maldonado basal and one large median pale annulaton, fore tarsus Capriles (1990: 135), Putshkov & Putshkov (1996: 163), with broad basal pale area. Mid coxae pale brown; hind Ishikawa (2000: 375), Rédei & Tsai (2010: 32). coxae brown with incomplete longitudinal lines; mid and hind femora dark brown, with fve pale spots or Onychomesa susainathani Wygodzinsky, 1966 incomplete annulatons; mid and hind tbia similar but Onychomesa susainathani Wygodzinsky, 1966: 533. with three pale spots in basal half; mid and hind tarsi Holotype: male, India, Jahalpur (= Jabalpur); one male pale (Image 1A–E). paratype; deposited in the American Museum of Natural Structure: Head more or less fat above and below, History, New York, USA. nearly rectangular in lateral view, anteocular porton Onychomesa susainathani: Maldonado Capriles slightly longer than postocular (Image 1F,G). In dorsal (1990: 135), Ishikawa (2000: 378), Ambrose (2006: view, area posteriad of eye appears slightly globular, 2397). then gradually narrowed behind. Clypeus with a spine- Additonal descripton: Macropterous male: total like projecton at its extreme apex immediately above length 13.8mm. base of labrum (Image 1H). Antennae long, inserted Colour, integument, and vestture: General colour near apex of the head. Eyes of moderate size, remote brown. Head and thorax dorsally with numerous, pale, from dorsal margin but reaching ventral margin of rounded scale-like setae that appear like small granules. head, occupying more than half of height of head in Head with an elongate triangular pale patch of scale-like lateral aspect; interocular transverse sulcus distnct, not setae in front of transverse sulcus and a similar patch surpassing the level of posterior border of eyes (Image posteriad of sulcus, later patch with pale line of scales 1I). Labium straight; frst visible segment slightly longer on either side laterally. Antennal segments brown, than second and reaching anterior border of eye; apex apical part of segment I almost black but extreme tp of second visible segment just reaching level of posterior pale. Prothorax dorsally with two longitudinal lines of border of eye, third visible segment slightly slender, scale-like setae throughout its length, these lines widely tapering, longest, reaching fore coxae (Image 1G). separated in anterior half but converge near middle and Thorax moderately broad and elongate. Pronotum again diverge in posterior half. Mesonotum dark brown not covering mesonotum. Fore lobe more or less with two longitudinal lines of scale-like pale setae as cylindrical, slightly broad near base and apex but well as a few scatered scale-like setae. Forewings narrow and parallel sided in between; hind lobe of pale brown with brown veins and brownish spots. pronotum very small, collar-like, well separated from Abdomen dorsally pale brown under wings, exposed fore lobe. In lateral view, mesothorax less high at apex portons behind forewing darker, almost blackish.
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