. Bulletin of the British Museum (Natural History). A COLLECTION OF ME SOSTIGM ATI D MITES FROM ALASKA 289 2. Epistome bidentate Arctoseius cetratus (Sell), 1940. -. Epistome tridentate . . â â ⢠⢠⢠â ⢠3' 3. Peritreme extending beyond the level of coxa I . Arctoseius ornatus sp. nov. -. Peritrenie reduced, not reaching coxa I ....-â¢â¢ 4- 4. Movable digits of chelicerae about 3 times as long as the comiculi, para-anal setae about i length of the post-anal seta . Arctoseius weberi sp. nov. -, Movable digits of chelicerae about ij times as long as the comiculi, para-anal setae approximatel
. Bulletin of the British Museum (Natural History). A COLLECTION OF ME SOSTIGM ATI D MITES FROM ALASKA 289 2. Epistome bidentate Arctoseius cetratus (Sell), 1940. -. Epistome tridentate . . â â ⢠⢠⢠â ⢠3' 3. Peritreme extending beyond the level of coxa I . Arctoseius ornatus sp. nov. -. Peritrenie reduced, not reaching coxa I ....-â¢â¢ 4- 4. Movable digits of chelicerae about 3 times as long as the comiculi, para-anal setae about i length of the post-anal seta . Arctoseius weberi sp. nov. -, Movable digits of chelicerae about ij times as long as the comiculi, para-anal setae approximately equal in length to the post-anal seta Arctoseius muUidentatus sp. nov. A. Icderincisus has been recorded from Spitzbergen (Thor, 1930) and Greenland (Haarlov, 1942). The type locality of A. cetratus (syn. Arctoseius bispinatus Weis Fogh, 1947) is in Iceland. This species has also been recorded from Denmark and England under A. bispinatus. Arctoseius ornatus sp. nov. Female. The dorsal shield is strongly ornamented and bears 31 pairs of simple setae distributed as in Fig. i. The lateral incisions of the shield are distinct. The interscutal membrane surrounding the shield is provided with ten setae Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original British Museum (Natural History). London : BM(NH)
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Keywords: ., 1955, boo, bookauthorbritishmuseumnaturalhistory, bookcentury1900
