ticks identification
TRANSCRIPT
![Page 1: Ticks identification](https://reader033.vdocuments.mx/reader033/viewer/2022042518/55a6096b1a28ab21638b4626/html5/thumbnails/1.jpg)
Soft and Hard TicksIDENTIFICATION POINTS
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Identification Points• Length of mouthparts
• Eyes or eyeless
• Conscutum ornate or inornate
• Colour of legs
• Festoons or no festoons
• Anal plates or no anal plates
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Hard Ticks
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Mouth Parts (Hard Ticks)
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IXODES
Palps Long & Slender
Color Pattern Absent
Eyes Absent
Festoones Absent
Anal Groove
Adanal Plates Several flat ventral plates
Legs Slender & Uniform Color
Other
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AMBLYOMMAPalps Long
Colour Pattern Present
Eyes Flat-Convex
Festoones Present & ventral scutes
Anal Groove
Adanal Plates Platelets
Legs Annulated
Other
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HYALOMMA
Palps Long
Colour Pattern Absent
Eyes Convex
Festoones Present (Some species reduced in number)
Anal Groove
Adanal Plates Anals, Accessory & Sub-Anals
Legs Annulated
Other
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DERMACENTOR
Palps Medium & Broad
Colour Pattern Present
Eyes Present
Festoones Present
Anal Groove
Adanal Plates Absent
Legs Uniform Color
Other Enlarged Coxa 4
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RHIPICEPHALUS
Palps Medium
Colour Pattern Absent
Eyes Flat-Convex
Festoones Present
Anal Groove
Adanal Plates Anals & Accessory +/-
Legs Uniform Color
Other Caudal Process +/-
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BOOPHILUS
Palps Short
Colour Pattern Absent
Eyes Present (Indistinct)
Festoones Absent
Anal Groove
Adanal Plates Anals & Accessory
Legs Slender, Yellow, Slightly be added
Other Caudal process absent
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HAEMAPHYSALIS
Palps Short, 2nd segment laterally extended
Colour Pattern Absent
Eyes Absent
Festoones Present ( Some species reduced in numbers
Anal Groove
Adanal Plates Absent
Legs Slender & Uniform color
Other
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Margaropus• Mouthparts very short
• Conscutum thin and transparent and the dark pattern of the caeca can be seen from above
• Eyes present but not conspicuous
• No festoons
• Adanal plates on males well developed
• Banded legs
• The segments of the fourth pair of legs in males are markedly enlarged
• One-host ticks
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Rhipicentor• Mouthparts of medium length
• Eyes present
• Festoons present
• Adanal plates absent
• Three-host ticks
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Soft ticks
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Argas• Mouthparts recessed ventrally and not visible from above (except in larvae)
• Eyes absent
• Spiracular plate postero-laterally between 3rd and 4th pair of legs
• Numerous symmetrically arranged discs on dorsal side of body
• Several nymphal stages
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Otobius• Dark, violin-shaped adults
• Mouthparts recessed ventrally and not visible from above (except in larvae)
• No lateral suture line on adults
• Nymphs diamond-shaped
• Larvae pear-shaped with clearly visibly anteriorly projecting mouthparts
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Ornithodoros• Leathery-mammillated integument
• Mouthparts recessed ventrally and not visible from above (except in larvae)
• Body margin rounded
• Supra-coxal fold
• Eyes absent or two pairs in the supra-coxal fold
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Thank You