Heterometrus thorellii (Pocock, 1892) Kovařík, 2004

Kovařík, František, 2004, A review of the genus Heterometrus Ehrenberg, 1828, with descriptions of seven new species (Scorpiones, Scorpionidae), Euscorpius 15 (15), pp. 1-60 : 44

publication ID

https://doi.org/ 10.18590/euscorpius.2004.vol2004.iss15.1

publication LSID

lsid:zoobank.org:pub:7090F923-0E7F-4294-83B3-D3C832609D1B

persistent identifier

https://treatment.plazi.org/id/1E6687C0-FFC3-FFA0-4C93-FDF5A3BC1C1F

treatment provided by

Felipe

scientific name

Heterometrus thorellii (Pocock, 1892)
status

comb. nov.

Heterometrus thorellii (Pocock, 1892) View in CoL comb. n.

( Fig. 29 View Figure 29 )

Palamnaeus bengalensis : Simon, 1884: 36–38 (360– 362); Simon, 1887: 112.

Heterometrus (Heterometrus) bengalensis : Couzijn, 1981: 117 (in part); Kovařík, 1998: 137 (in part); Fet, 2000: 432 (in part); Kovařík, 2002: 17.

Palamnaeus thorellii Pocock, 1892: 40 ; Laurie, 1896a: 193; Laurie, 1896b: 127; Weidner, 1959: 103.

Scorpio longimanus thorellii : Kraepelin, 1895: 40.

Palamnaeus longimanus : Pocock, 1900: 97 (in part).

TYPE LOCALITY AND TYPE REPOSITORY. Burma, now Myanmar ; BMNH.

MATERIAL EXAMINED. Myanmar, Prome , 1♀ (det. Couzijn, 1977 as Heterometrus bengalensis ), SMFD No. 7986/160; Burma, Shayetunyo, 3ims. 13juvs, BMNH ; Birmania , Mandalay, 1885–1889, 1♂, leg. L. Fea, MZUF No. 1014; Bago Division , Bago Yoma, A 18.81670, E 96.08504, 10.XII.1998, 1♂ 1♀ 6ims.6juvs., leg. J. B. Slowinski, H. E. Robeck, and K. D. Wiseman, CASC ; Malun , 19.VIII.1974, 1♂ 1♀, leg. J. Dostál, FKCP ; XI.1984, 1♂, FKCP ; Division Magwe (Upper Minhla), Malyn Camp. , IX–X.1985, 1♂, leg. M. Veselý, FKCP ; W. Mandalay division, Bagan ( Pagan )-Nyaung- U, 29–31.V.1997, 1♂, leg. J. Rejsek, FKCP .

DIAGNOSIS. Adults 90–120 mm long. Base color of adults uniformly brownish to black, only manus and telson may be reddish brown. Pectinal teeth number 13– 18 in both sexes. Male with chela, femur and patella of pedipalp narrower and longer than in female. Chela not lobiform in male, slightly lobiform in female, its length to width ratio 3.8–5.5 in male, 2.6–3.1 in female. Much of manus reticulate, sparsely punctate and with smooth carinae, without granules. Patella of pedipalp with pronounced internal tubercle. Carapace usually with disc smooth and margins granulate. Telson hirsute, elongate, vesicle longer than aculeus.

COMMENTS. The taxonomy of this species has a rather complex history. First Simon (1884: 36–38) believed it to be P. bengalensis ; then Pocock (1892: 40) described it as P. thorellii and distinguished it from the very similar P. longimanus , but subsequently (1900) he placed it in the synonymy of P. longimanus . This species can be easily distinguished from H. bengalensis on having a pronounced internal tubercle on the patella of pedipalp. It is more similar to H. longimanus , but has a different geographic distribution. The morphological differences between these species are given in the key below. Although Couzijn (1981: 117) was aware of some of the differences, he refused to accept the authenticity of the original type series of H. bengalensis and based on it his new species, H. (Chersonesometrus) fastigiosus Couzijn, 1981 (see comments under H. bengalensis ). For that reason most references to and identifications of H. bengalensis between 1981 and 2002 are mistaken and in reality pertain to H. thorellii (Pocock, 1892) comb. n.

DISTRIBUTION. Myanmar ( Simon, 1884: 38; Pocock, 1892: 40).

MZUF

Museo Zoologico La Specola, Universita di Firenze

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Scorpiones

Family

Scorpionidae

Genus

Heterometrus

Loc

Heterometrus thorellii (Pocock, 1892)

Kovařík, František 2004
2004
Loc

Palamnaeus thorellii

WEIDNER 1959: 103
1959
Loc

Palamnaeus longimanus

POCOCK 1900: 97
1900
Loc

Palamnaeus bengalensis

SIMON 1887: 112
SIMON 1884: 36
1884
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