. Bulletin of the British Museum (Natural History) Zoology. THE BRITISH DERMANYSSIDAE (ACARI) 189 with four pairs of sternal setae and three pairs of pores, a pair of genital setae and three to five opisthogastric setae (Text-fig. 26c). Between sti, 70 [x ; between sti and s/3, 102 p. Paranal setae 24 /*, postanal seta 18 \x long. Chaetotaxy of legs and form of setae as in female ; in addition, seta avx on femur II stout and spine-like. Length /width (in /x) of leg segments : genu tibia tarsus I 99/42 105/38 150/33 II 84/54 78/50 114/42 III 66/45 66/42 126/40 IV 102/48 102/45 186/38 Habitat :
. Bulletin of the British Museum (Natural History) Zoology. THE BRITISH DERMANYSSIDAE (ACARI) 189 with four pairs of sternal setae and three pairs of pores, a pair of genital setae and three to five opisthogastric setae (Text-fig. 26c). Between sti, 70 [x ; between sti and s/3, 102 p. Paranal setae 24 /*, postanal seta 18 \x long. Chaetotaxy of legs and form of setae as in female ; in addition, seta avx on femur II stout and spine-like. Length /width (in /x) of leg segments : genu tibia tarsus I 99/42 105/38 150/33 II 84/54 78/50 114/42 III 66/45 66/42 126/40 IV 102/48 102/45 186/38 Habitat : Nests of Formica rufa Linn., White Hill Wood, Canterbury, 1st Novem- ber, 1942 and 25th April, 1942. Holotype $ (1965 : 12 : 29 : 23), allotype <J (1965 : 12 : 29 : 24), four female paratypes. Ants' nest, White Hill, Canterbury, 18th October, 1941, one male, four female paratypes. Chip nest, same locality, 29th March, 1943, one female paratype. All specimens collected by Dr. E. Warren and deposited in the collection of the British Museum (Natural History). It is possible that this species has been confused with Hypoaspis cuneifer (Michael). The specimens of H. cuneifer in the Donisthorpe collection are referable to the new species. We have not seen material of the true H. cuneifer in 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 Farn, Alexander E. London : Butterworths
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