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Table 2 Comprehensive list of chemosensory system genes among insects

From: Obligate mutualism within a host drives the extreme specialization of a fig wasp genome

  C. solmsi N. vitripennis A. mellifera S. invicta A. pisum T. castaneum P. xylostella P. humanus
Gr 6 (1) 58 (11) 13 (3) NA 77 (2) 215 (25) 26 6
Or 46 (2) 301 (75) 174 (1) 297 79 (10) 307 (42) 83 10
Ir 11 10 (1) 9 NA 11 23 49 10
OBP 7 90 21 18 15 (1) 50 (1) 64 5 (1)
CSP 7 9 6 14 11 (1) 20 (1) 20 7 (1)
  1. Comparative data from references [2, 16, 31, 32, 9092].
  2. Pseudogenes are in parentheses.
  3. A. mellifera: Apis mellifera; A. pisum: Acyrthosiphon pisum; C. solmsi: Ceratosolen solmsi; CSP, chemosensory protein; Gr, gustatory receptor; Ir, ionotropic receptors; N. vitripennis: Nasonia vitripennis; NA, not applicable; OBP, odorant binding protein; Or, olfactory receptor; P. humanus: Pediculus humanus; P. xylostella: Plutella xylostella; S. invicta: Solenopsis invicta; T. castaneum: Tribolium castaneum.