Myrmarachne dirangicus Bastawade, 2002, sp. novo
Creators: name: Bastawade, D. B.
Publisher: name: Zenodo
Year: 2002
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Araneae
Salticidae
Myrmarachne
Myrmarachne dirangicus

description: <i>Myrmarachne <i>dirangicus</i> sp. <i>novo</i></i> (Figs 20-28) <b>General</b>: Ant-like spider, blackish-brown, more blackish on cephalic <i>region</i> while light brownish on thoracic region, abdomen <i>with</i> two <i>pairs</i> of narrow lateral whitish bands, median anterior <i>portion</i> darker with a blackish patch <i>on</i> posterior portion (Fig. 20), light brown to yellowish-brown on ventral portion; Chelicerae brown, <i>palps</i> dark blackish on distal segments, <i>legs</i> darker on exterior margins <i>and</i> on joints, otherwise pale brown. Anterior median eyes larger than others <i>and pearly</i> white. Measurements (in mm): Total length 7.10; Cephalothorax 2.90 long, 2.00 wide; <i>Abdomen</i> 4.20 <i>long</i>, 2.00 wide. <b>Cephalothorax</b>: Longer <i>than</i> wide, cephalic <i>region high</i> and flat, posteriorly sloped into a shallow constriction and continues posteriorly into thoracic region, further <i>narrowing</i> posteriorly in to a pedicel (<i>Fig</i>. 21), entire surface smooth, clypeus narrow <i>and not</i> high, eight <i>eyes</i> placed in two rows, anterior two <i>pairs</i> placed in front in a row, median pair being larger <i>and pearly</i> white; posterior row deeply procurved, the medians being shifted <i>much laterally</i> almost in a same line to posterior laterals <i>and much</i> smaller in size (Fig. 20), ocular trapezium wider than long; Cephalothoracic sternum <i>elongated and</i> acutely pointed posteriorly, labium elongated <i>with</i> lateral margins parallel, rounded on anterior margin, endites narrowed behind to accommodate labium (Fig. 22); Chelicerae.depressed <i>from</i> sides, almost quadrangular, <i>with</i> a <i>ridge</i> on interior surface, basal segments <i>armed with</i> promarginal <i>and</i> retromarginal row of 10 <i>and</i> 4 minute teeth respectively (Figs 23, 24), fangs pointed <i>and</i> almost 1 1/3rd of basal segment. Palps short as compared to body length, dorsoventrally flat and expanded, <i>fringed</i> ventrally with short setae <i>and</i> other portion covered with hair, a <i>long</i> Trichobothridial hair present on proximal portion of Tibiae. <i>Legs</i> 1- IV thin, in 4312 formulae, Tibiae I <i>with</i> 4 pairs, <i>and II with</i> 2 pairs of <i>anteriorly directed</i> ventral spines (Figs 25, 26), Tarsomeres fringed <i>with</i> short setae. <b>Abdomen</b>: Longer than wide, entirely smooth, leathery except the Epyginal portion, covered with short hair, with two lateral oblique <i>bands</i> (<i>Fig</i>. 27), internal genitalia with a pair of sacs, curved on inner portions and each sac <i>bears</i> two dark <i>spots</i> in it (Figs 27, 28). <b>Type Data</b>: Holotype 1&amp;female;, <i>Paratype</i> 5 &amp;female;&amp;female;. Holotype &amp;female; dissected for genitalia and <i>kept</i> separately in <i>micro</i> vial, all in 70% rectified spirit, <i>will</i> be deposited in National <i>Collection</i> Zoological Survey of India, Kolkata. <b>Type Locality</b>: 15 <i>kms</i> 0' Dirang, West­ Kameng District, Arunachal Pradesh, India. ColI. Dr. D.B. Bastawade, 22.ix.1990. <b>Distribution</b>: So far <i>known only</i> from <i>type</i> locality. <b>Etymology</b>: Named after <i>the type</i> locality Dirang.
description: Published as part of <i>Bastawade, D. B., 2002, Three New Species From The Spider Families Amaurobiidae, Thomisidae And Salticidae (Araneae: Arachnida) From India, pp. 274-281 in JOURNAL, BOMBAY NATURAL HISTORY SOCIETY 99 (2)</i> on pages 278-280, DOI: 10.5281/zenodo.1048224