Skip to body

¡SOBRE México!: Student Opportunities for Biological Research in Mexico

Lilly Nava's Research

Ticks in the Dry Tropical Forest

Previous research and questions

  • Ticks life stages/cycle includes eggs, larva (6 legs), nymph (8 legs), and adults (8 legs). A blood meal on a vertebrate host is needed to develop to the next stage.  
  • Initial survey done over spring break during dry season, March 2017.
  • Found more nymphs in uplands during dry season, all adults were found in the arroyos.

  • How will the distribution of ticks change during the rainy season?
  • What kind of tick species will be found during the rainy season?

Methods

  • Sampled ticks in uplands and arroyos by dragging a felt sheet along vegetation in the forest.
  • Each collection covered 400 meters of trail.
  • Collection sheets were then stored in ziplock plastic bag and examined for ticks back at EBCh.

Results

  • All adult ticks found either through dragging or on local animals were Amblyomma cajennense (Cayenne tick).
  • All larval and nymphs were consistant with A. cajennense, but cannot be positively identified visually.
  • Most of the ticks were found in the Arroyos, but one large congregation (208 individuals) of larval (newly hatched) ticks was found during one sampling event in the uplands.

 

Take the Next Step to Becoming a Wildcat.

Admissions@cwu.edu