Amblyomma javanense

Unique identifier: 3
Amblyomma javanense

Morphological Keys

Stage/Sex Morphological Keys
Female
  • The female tick measures an average of 3.54 mm in length and 2.68 mm in width
  • Unlike the male, the female's inornate scutum covers only one-third of its body, measuring an average of 1.56 mm in length
  • Ventrally, it shares the male's general characteristics, including an anal ridge and groove, a genital aperture present at the level of the second coxae , and 13 festoons where the first is the broadest
  • The adult female hypostome also features a 3/3 dentition formula
  • The coxal spur arrangement matches the male's, exhibiting two sub-equal separated blunt spurs on coxa I, short blunt spurs on coxae II and III, and a short pointed spur on coxa IV.
  • Jabin, Gul, Yashwini Dewan, Hiren Khatri, Sujeet K. Singh, Kailash Chandra, and Mukesh Thakur. “Identifying the Tick Amblyomma Javanense (Acari: Ixodidae) from Chinese Pangolin: Generating Species Barcode, Phylogenetic Status and Its Implication in Wildlife Forensics.” Experimental and Applied Acarology 78, no. 3 (2019): 461–67. https://doi.org/10.1007/s10493-019-00393-1.
Male
  • The male tick has an average body size of 3.44 mm in length and 2.39 mm in width
  • It possesses an inornate scutum that is expanded to cover the whole body
  • The ventral side of the body features an anal ridge and groove, as well as a genital aperture located at the level of the second coxae
  • The posterior margin features a total of 13 festoons, with the first festoon being the broadest
  • The adult hypostome presents a 3/3 dentition formula
  • The legs are equipped with two sub-equal, separated blunt spurs on the first coxae, a short blunt spur on both the second and third coxae, and a short pointed spur on the fourth coxae.
  • Jabin, Gul, Yashwini Dewan, Hiren Khatri, Sujeet K. Singh, Kailash Chandra, and Mukesh Thakur. “Identifying the Tick Amblyomma Javanense (Acari: Ixodidae) from Chinese Pangolin: Generating Species Barcode, Phylogenetic Status and Its Implication in Wildlife Forensics.” Experimental and Applied Acarology 78, no. 3 (2019): 461–67. https://doi.org/10.1007/s10493-019-00393-1.
Nymph
  • The nymph is smaller, measuring an average of 1.66 mm in length and 1.20 mm in width
  • Its scutum covers two-thirds of its body and measures an average of 0.90 mm in length
  • The nymphal hypostome differs from the adults by having a 2/2 dentition formula with an eight-tooth file
  • Other features noted for the species include two sub-equal separated blunt spurs on the first coxae, short blunt spurs on the second and third coxae, a short pointed spur on the fourth coxae , a ventral anal ridge and groove , and 13 festoons with the first being the broadest.
  • Jabin, Gul, Yashwini Dewan, Hiren Khatri, Sujeet K. Singh, Kailash Chandra, and Mukesh Thakur. “Identifying the Tick Amblyomma Javanense (Acari: Ixodidae) from Chinese Pangolin: Generating Species Barcode, Phylogenetic Status and Its Implication in Wildlife Forensics.” Experimental and Applied Acarology 78, no. 3 (2019): 461–67. https://doi.org/10.1007/s10493-019-00393-1.
DISCLAIMER

TickMapKB is a database of tick species, their distribution, and associated data, compiled from published literature and publicly available sources. The authors are not liable for any inaccuracies or omissions in this resource. This database is intended to support research on tick ecology and distribution and does not necessarily reflect the views or objectives of the authors’ affiliated institutions or funders.