REPORT 108, U. S. DEPARTMENT OF AGRICULTURE 



Fig. 94. 



95. 



96. 



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99. 

 100. 

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105. 

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110. 

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127. 

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 1.30. 

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133. 

 13 J. 

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 l.'iK. 

 1.39. 

 140. 

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 U.'i. 

 lie,. 

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Page. 



Fiona sp.: Larva 53 



Ataxsp 53 



Coxal plates of A tax 53 



Tarsal claw of Atax. 54 



Palpus of Atax 54 



Claws of Halacaru^ 54 



IlaJacarus sp 55 



Scaptognathus sp 55 



Simognathus sp 56 



A rgas miniatus, from below 56 



Otobius megnini: Nymphal form 



and details 56 



Omithodorosturicata 57 



Ixodes and Dcrmacentor: Ventral fur- 

 rows 57 



Ilypostome and mandibles of a tick. 58 

 Ixodes, Margaropus, Amhlyomma, 

 Dcrmacentor, Hxmaphysalis: Stig- 



mal plates 58 



Shield of Margaropus annulatus, fe- 

 male 59 



Margaropus annulatus: Male 59 



Margaropus annulatus: Larva 59 



Margaropus annulatus: Claws 60 



Margaropus annulatus: Egg 61 



Dermacentor variabilis: Male 61 



Dermacentor variabilis: Shield of fe- 

 male 62 



Dermacentor: Tarsus IV 62 



Dermacentor albipictus: Male 63 



Rhipicephalus sanguineus: Shield of 



female 63 



Rhipicephalus: Palpus 64 



Rhipicephalus: Shield of nymph 64 



Rhipicephalus pulchellus: Male 64 



A mblyomma americanum: Engorged 



female 65 



Amhlyomma cajennense: Shield of 



female 65 



Amblyomma: Shield of nymph 66 



Amblyomma: Tarsus IV 67 



Ilacmaphysalis chordcilis: Shield of 



female 67 



Ixodes: Head 68 



Ixodes: Details of Leg 1 68 



Ixodes scapularis: Shield of female . . 68 



Ixodes marii: Female 69 



Ixodes: Venter of male 69 



Ccratixodes: Palpi of male and fe- 

 male 70 



Spclaeorhynchus praccursor 70 



Ilolothyrus 70 



Parasitus: Venter 71 



Parasitus: Side view 71 



Spinturnix amcricanus 72 



Spiuturnii: Venter 72 



Prriglischrus j heringi: Female 73 



Stcrnostomum rh inolethrum 73 



Pncumonyssus simicola 74 



Pncumonyssiis simicola: Larva 74 



Pncumonyssus: Details 7") 



Ildlarachiir amrricana: Details 75 



Dtrmnnyssus gnllin.r 76 



DfTmnnyssnsgallinx: Details 77 



lAponyxsns nmrricanus 77 



Liponyssus: Details 77 



Fig. 149. 

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156. 

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 2a'). 

 20C). 

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 20S. 

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Page. 



Hacmogamasus americanus 78 



Rhodocarus roseus 78 



Mcgisthanus floridanus 79 



Iphiopsis sp., caroncle and pcri- 



treme 80 



Macrocheles carolinensis: Female... 81 

 Macrocheles carolinensis: Venter of 



female 81 



Macrocheles spinatus: Legs II and 



IV of male : 81 



Caelenopsis americana 82 



Sejus amcricanus 82 



Paragreenia alfkeni 82 



Laelaps cchidninus 82 



Parasitus sp 83 



Parasitus sp. : Nymph 83 



Parasitus sp. : Larva 83 



Parasitus calcarator 83 



Parasitus predator: Leg II of male. . 84 



Hyletastes sp. : Adult and anal plate . 84 



Hyletastes ovalis 85 



Seiulus quadripilis 85 



Hypoaspis mexicanus and details ... 86 



Hypoaspis macropilis and details. . . 86 



Antennophorus uhlmanni 87 



Ant carrying three Antennophori . . 87 



TJroplitella: Details 88 



Uropoda: Details 88 



Uropoda sp. and pedicel 89 



Uropoda sp 89 



Cilliba hirsuta 89 



Dinychus americanus 90 



Details of an oribatid 91 



Mouth parts of an oribatid 91 



Galumna sp 92 



Galumna sp: Nymph 92 



Galumna hubbardi 92 



Galumna persimilis 92 



Oribatclla valida 93 



Oribatella armata 94 



Oribatclla sp 94 



Liacarus nitidus 95 



Liacarus carolinensis 97 



Liacarus sp: Nymph 97 



Oribella pilosus 97 



Notaspis montana 97 



Gymnnbatfs glabcr 98 



Oripoda clongata 9S 



Carabodes lamellatus 98 



Oribata graciUpes 99 



Oribata sp. : Venter 99 



Oribata sp. : Claw 100 



Oribata sp.: Larva 1(X) 



Oribata minuta 100 



Carabodes brcvis 1(X) 



Ccphcus marginalis 1(X) 



Scutoirrtci pctrophagu^ 100 



NcoUodes concentricus 101 



Nothruss\).: Venter 101 



Nothrus banksi 101 



Nothrtis truncatu^ 101 



Nothrus taurinus 101 



Ilypochthoniu^ teianus 1 02 



Iloploderma sphaerula 1 02 



Phthiracarus sp.: Closed up; ventral 



view 102 



