. Bulletin of the British Museum (Natural History) Zoology. THE BRITISH DERMANYSSIDAE (ACARI) I II III IV genu 75/38 66/48 50/45 72/40 333 tibia tarsus 75/34 130/32 54/42 90/36 50/40 90/33 69/33 120/30 Protonymph : Chelicera with segment I, 20 fi; II, 100 \x,; movable digit 30 \x. Four pairs of gnathosomal setae with about 33 ju, apart ; about 27 /* apart. Pedipalp (1-4-5-12) without keel on trochanter. Podonotal shield (180 /x x 150 p) with 11 pairs of setae as in Text-fig. 88a ; pygidial shield with four pairs of setae ; unsclerotized integument of dorsum with 14 pairs of setae. T
. Bulletin of the British Museum (Natural History) Zoology. THE BRITISH DERMANYSSIDAE (ACARI) I II III IV genu 75/38 66/48 50/45 72/40 333 tibia tarsus 75/34 130/32 54/42 90/36 50/40 90/33 69/33 120/30 Protonymph : Chelicera with segment I, 20 fi; II, 100 \x,; movable digit 30 \x. Four pairs of gnathosomal setae with about 33 ju, apart ; about 27 /* apart. Pedipalp (1-4-5-12) without keel on trochanter. Podonotal shield (180 /x x 150 p) with 11 pairs of setae as in Text-fig. 88a ; pygidial shield with four pairs of setae ; unsclerotized integument of dorsum with 14 pairs of setae. Tritosternum with base 15 /x, laciniae 60 /x. Sternal shield (140 p x 114 /*) with three pairs of setae and two pairs of pores. Between sti, 60 /x ; between 5^1 and s^3, 96 /A. Anal shield (48 fi x 54-57 ft) with par- and postanal setae subequal, about 27 /x long. Integument of venter bears a pair of genital and five pairs of opisthogastric setae (Text-fig. 88b). Peritreme extends nearly to middle of coxa 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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