14 A Canadian Arctic Expedition, 1913-18 



It is possible that this form is simply a variety of one of the numerous 

 described species of Kntomobnjd, though if does not agree accurately with any 

 published description that I have seen, or with any of the numerous European 

 >pecies in my collection. 



Several specimens under driftwood on tundra, Demarcation point, Alaska, 

 May Hi. 1914. F. .lohansen. 



Many specimens under loo.se stones, Bernard harbour, Northwest Terri- 

 tories, May \ ( M~). F. .lohansen. 



Lepidocyrtus cyaneus Tullberg. 



Plate 7, figs. 64-66. 



Lepidocyrtus cyaneus Tullberg, 1871, 1872, 1876. Reuter, 1876. Renter, 

 L. and O. M., 1880 Monies. 1891. Schott, 1894, 1902. Dalle Torre, 1895. 

 Lie-Pettersen, 1890, 1898, 1907. Schaffer, 1896, 1900a, 1900b. Poppe and 

 Schaffer, 1897. Scherbakov, 1898a, 1898b. Carl, 1899, 1901. Carpenter and 

 Evans, 1899. Bonier, 1901a. Krausbauer, 1902. Voigts, 1902. Axelson, 

 1<H)M. 1904, 1905a, 1906. Agren, 1903, 1904. Wahlgren, 1906a, 1906b. 

 Carpenter, 1907. Collinge and Shoebotham, 1910. (Axelson) Linnaniemi, 



1907. i<m, 1912. 



Lcpidoctjrtu* purpureus Lubbock, 1873. Oudemans, 1887. Reuter, 1890, 

 1895. Uzel, 1890. Parfitt, 1891. Guthrie, 1903. 



Lcpnlonirtux violaceus Lubbock, 1873. Parona, 1882, 1888. Oudemans, 

 1887. Uzel, 1890, 1891 Tomosvary, 1883. 



LcpidocurttiK metallicus Packard, 1873. MacGillivray, 1891. 



Lcpidocyrtus assimilis Reuter, 1890, 1895. Schaffer, 1898. 



Lepidocyrtus pallidus Schott, 1893. Reuter, 1890, 1895. Lie-Pettersen, 

 IMHi (Axelson) Linnaniemi, 1912. 



Lepidocyrtus cyaneus var. pallidus Schott, 1894. Wahlgren, 1906. 



LfpidtH'ijrtHx cyaneus var. assimilis Schott, 1894. Dalla Torre, 1895. 

 Walilgren, 1908. 



Lepidocyrtus elegantulus Meinert, 1896. 



Dark blue or violet with iridescent scales. Denuded of scales, dull blue or 

 violet. Lrgs yellow beyond the coxae; dentes or entire furcula yellow; first 

 and second antenna! segments yellow with purple apices; third and fourth 

 antennal segments purple; dorsum of head, and sometimes the mesonotum, 

 yellow; fifth and sixth abdominal segments and the anterior region of the fourth 

 often yellow. Narrow yellow intersegmental bands are often present. The 

 unpigmented regions may be white instead of yellow. Body stout. Mesonotum 

 arched, concealing the pronotum and projecting moderately over the head. 

 fm. 64) s h S. on black patches; the two inner proximal eyes of each 

 group smaller than the others. Antennae one-fourth to one-half longer than 

 the head. Antennal base black. Second and third antennal segments subequal 

 in length; fourth segment one-half to two-thirds longer than the third. Tnguis 

 (fig. (M) with a pair of large lateral teeth, and with two pairs of inner teeth, the 

 pi-oximal pair being at the middle of the inner margin. CJnguiculus narrow, 

 sublanceolate, pointed, untoothed. extending three-fifths as far as the miguis 

 on the third pair, and about half as far on the first and second pairs of feet. 

 One davate tenent hair. Fourth abdominal segment three to four times as 

 long as the third. Denies a little longer than the manuhrium. Mucro (fig. ()(>) 

 about as long as hind unguiciilus. with long apical tooth and well developed 

 l.a>al spine. Anterior region of head with short stiff fringed clavate seta'. 

 Anterior border of mesonotum with a dense cluster of stiff clavate seta 1 . Anten- 

 na-, legs and posterior region of abdomen with dense fringed seta 1 . Dentes 

 with two dorsal rows of subclavate fringed seta*. Manubrium and denies 

 BCaly, the ventral scale- more numerous than the dorsal. Length, 1 mm. 



