Difference between revisions of "Gloydius intermedius"
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- Common names: Central Asian pit viper, intermediate mamushi, Mongolian pit viper,<ref name="G&C90">Gloyd HK, Conant R (1990). Snakes of the Agkistrodon Complex: A Monographic Review. Society for the Study of Amphibians and Reptiles. 614 pp. 52 plates. LCCN 89-50342. ISBN 0-916984-20-6.</ref> more.
Gloydius intermedius is a venomous pitviper species endemic to northern Asia. Three subspecies are currently recognized, including the nominate subspecies described here.<ref name="ITIS">Template:ITIS</ref>
Contents
Description
Gloyd and Conant (1990) reported examining subadults and adults that were Template:Convert in total length. Nikolsky (1916) mentioned that some individuals may reach as much as Template:Convert in total length. The body is relatively stout, and the snout is not upturned.<ref name="G&C90"/>
The scalation includes 7 supralabial scales, 23 rows of keeled dorsal scales at midbody, 149-165 ventral scales, and 32-48 subcaudal scales.<ref name="G&C90"/>
The color pattern is variable, but generally consists of 28-45 dark subquadrate dorsal blotches or crossbands that usually extend down the flanks as far as the first or second scale rows. Between these blotches are irregular light areas. A dark brown to black postorbital stripe is present, extending from the eye back to the angle of the jaw, outlined by a light line above, and by cream-colored supralabial scales below.<ref name="G&C90"/>
Common names
Central Asian pit viper, intermediate mamushi, Mongolian pit viper,<ref name="G&C90"/> Central Asian pitviper.<ref name="Gum04">Gumprecht A, Tillack F, Orlov NL, Captain A, Ryabov S (2004). Asian Pitvipers. First Edition. Berlin: Geitje Books. 368 pp. ISBN 3-937975-00-4.</ref>
Geographic range
Found in southeastern Azerbaijan, northern Iran, southern Turkmenistan, northwestern Afghanistan, southern Russia, northwestern China and Mongolia. The type locality given by Stejneger (1907) is "Governm. Irkutsk, East Siberia." Golay et al. (1993) give "Yesso (= Esso) Island, banks of Amur River and Khinggan (= Hinggan Ling) Mountain Range."<ref name="McD99"/>
Subspecies
| Subspecies<ref name="ITIS"/> | Taxon author<ref name="ITIS"/> | Common name<ref name="G&C90"/> | Geographic range<ref name="G&C90"/> |
|---|---|---|---|
| G. i. caucasicus | (Nikolsky, 1916) | Caucasian pit viper | Mostly in the mountainous regions southwest, south and southeast of the Caspian Sea. Also in southeastern Azerbaijan, southern Turkmenistan, northern Iran and extreme northwestern Afghanistan. Elevational range is from below sea level (near the southern shore of the Caspian Sea) to at least 3,000 m in the high Lar Valley in the Elburz mountains of northern Iran. |
| G. i. intermedius | (Strauch, 1868) | Central Asian pit viper | Central Asia from Kyrgyzstan, eastern Kazakhstan and Sinkiang (in China) to Mongolia and southern Siberia east to the western slopes of the Greater Khinghan Mountain Range and the Torey Lakes region near the common border of China, Mongolia and Russia. |
| G. i. stejnegeri | (Rendahl, 1933) | Gobi pit viper | The edge of the Gobi Desert in southeastern Inner Mongolia south into China as far as northern Shansi and Hopeh. |
Etymology
The subspecific name, stejnegeri, is in honor of Norwegian-born American herpetologist Leonhard Stejneger.<ref>Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN 978-1-4214-0135-5. (Gloydius intermedius stejnegeri, p. 253).</ref>
