Haemaphysalis darjeeling

Unique identifier: 17
Haemaphysalis darjeeling

Morphological Keys

Stage/Sex Morphological Keys
Female
  • Overall body length is approximately 2.8 mm, breadth 1.9 mm
  • Basis capitulum is approximately 2 times as broad as long, margins as in male
  • Cornua are broadly triangular, one-third as long as the base of basis capitulum
  • Porose areas are comparatively small, tilted, widely spaced, and ovate
  • Palpi are as in male, longer than in male, reaching almost to the level of palpal apices
  • Dental formula is 4/4, with eight (internal) to ten (external) denticles in a file
  • Scutum is approximately 1.35 times as broad as long
  • Cervical grooves are shallow and faint
  • Cervical pits are narrow, linear, and sub-parallel
  • Punctations are small, shallow, and obscure
  • Widely distributed in external fields, rare or obsolete in median field
  • Genital operculum is broadly U-shaped with external margins diverging anteriorly
  • Legs are same as in males except coxa with spurs of II and I slightly shorter.
  • Geevarghese, G., and A. C. Mishra. “Introduction.” In Haemaphysalis Ticks of India. Elsevier, 2011. https://doi.org/10.1016/B978-0-12-387811-3.00001-2.
Male
  • Overall body length is approximately 2.35 mm, breadth 1.5 mm
  • Basis capitulum is dorsally approximately 1.6 times as broad as long
  • Palpi are moderately salient
  • Hypostome is short, broad, reaching to or almost anterior margin of pit of palpal segment IV, approximately 2 times as long as broad posteriorly
  • Dental formula is 5/5, with five (internal) to nine (external) denticles in a file
  • Scutum is approximately 1.3 times as long as broad, margins broadly rounded
  • Surface is convex and shiny
  • Cervical grooves are obsolete or faint
  • Cervical pits are small, deep, and converging
  • Lateral grooves are obsolete
  • Punctations are rare, small, superficial, and widely scattered
  • Festoons number 11
  • Spiracular plates are transversely oval, and dorsal projection is continuous with plate
  • Coxa are each with a prominent spur
  • I is with spur lanceolate, approximately 2 times as long as other spurs
  • II to IV are each with a broadly triangular spur extending well beyond coxal margin, length sub-equal.
  • Geevarghese, G., and A. C. Mishra. “Introduction.” In Haemaphysalis Ticks of India. Elsevier, 2011. https://doi.org/10.1016/B978-0-12-387811-3.00001-2.
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.