Oedignatha raigadensis, Bastawade, D. B., 2002

Bastawade, D. B., 2002, Three New Species From The Spider Families Amaurobiidae, Thomisidae And Salticidae (Araneae: Arachnida) From India, JOURNAL, BOMBAY NATURAL HISTORY SOCIETY 99 (2), pp. 274-281 : 274-276

Amaurobius indicus Sp. novo

( Figs 1-12)

General: Dark blackish-brown to yellowish-brown in colour, ventral portion lighter; dorsum entirely covered with scutum in both male and female ( Fig. 1) but the ventral collar extends posteriorly up to 2/3 rd portion.

All legs armed below with a row of paired spines on Tibiae and Metatarsi. Male with much elongated and shallow cymbium, and bUlging paracymbium at the base.

Measurements (in mm): Total length 8.00; Cephalothorax 3.8 long, 2.3 wide; Abdomen 4.2 long, 3.8 wide.

CephaIothorax: Longer than wide, entire surface rough with fine granulation and without hair, median anterior portion high with high clypeus, eight eyes placed in two rows, laterals smaller and close to each other, anterior medians larger than remaining, ocular quad almost as wide as long; Cephalothoracic sternum broad and pointed posteriorly, labium longer than wide and endites deeply curved on inner portion ( Fig. 3), Chelicerae robust, bulging anteriorly on basal segment, armed with 3 on promargin and a row of9-10 teeth on retromargin offang furrow, fang more than half the length of basal segment, bent on middle portion and acutely pointed ( Figs 4- 6); Palps simple, elongated, armed ventrally with 5-6 longer setae on Tibiae and Tarsi, and 5-6 Trichobothries in a cluster placed almost at the centre on external surface, in both male and female ( Fig. 9); Palps in male (Paratype) much elongated with shallow cymbium, armed with few longer setae and thickly clothed with short hair, paracymbium bulging at the base of cymbium ( Fig. 7) with a pair of small spikes, a pair of short, straight but stout apophysis present on outside ofTibiae, outermost being longer and stouter ( Fig. 8). Legs I-IV comparatively thin, long, smooth and shining, armed ventrally with 9-9,8-8,3-2,3-2 anteriorly directed paired spine rows ( Fig. 10); Leg formula 1432, calamistlUm present on III & IV pairs, more prominently noticeable on 1/6th distal portions. Scapula prominent on III & IV pairs while claw tufts fringed prominently on all legs.

Abdomen: Longer than wide, dorsum covered with smooth scutum without any hair, a weak chitinous collar present on 1/3rd anterior portion along with pedicel in female. Female genitalia with a pair ofclear dark spots ( Fig. 11), internal genitalia with dark dumbbell shaped sacs ( Fig. 12).

The anterior 1/3rd chitinous collar continues ventro-posteriorly up to 2/3rd of abdominal portion in male, male palp complicated ( Fig. 8).

Type data: Holotype 1 ♀, Paratypes 1♂, 2 ♀♀, (2 ♀♀ genitalia dissected and kept in microvials separately), all in 70% rectified spirit, will be deposited in the National Collections, Zoological Survey ofIndia, Kolkata .

Type locality: 40 kms, northeast of Khalapur, near Matheran, Dist. Raigad (Colaba), Maharashtra, India. ColI.: Dr. D.B. Bastawade, 13.xii.1987.

Distribution: So far known only from type

locality.

Etymology: Named after country of collection and distribution locality i.e. India.