Publications

  1. Morris, G.K. & R.E. Pipher.  1967. Tegminal amplifiers and spectrum consistencies in Conocephalus nigropleurum (Bruner), Tettigoniidae.  J. Insect Physiol. 13: 1075‑1085.
  2. Morris, G.K. 1970. Sound analyses of Metrioptera sphagnorum (Orthoptera:  Tettigoniidae). Can. Entomol. 102(3): 363‑368.
  3. Morris, G.K. 1971. Aggression in male conocephaline grasshoppers (Tettigoniidae). Anim. Behav. 19(1): 132‑137.
  4. Morris, G.K. 1972. Phonotaxis of male meadow grasshoppers (Orthoptera: Tettigoniidae). Journal N.Y. entomol. Soc. 80(1): 5‑6.
  5. Morris, G.K. & R.E. Pipher. 1972. The relation of song structure to tegminal movement in Metrioptera sphagnorum (Orthoptera: Tettigoniidae). Can. Entomol. 104: 977‑985.
  6. Wood, T.K. & G.K. Morris. 1974. Studies on the function of the membracid pronotum (Homoptera). I. Occurrence and distribution of articulated hairs. Can. Entomol. 106: 143‑148.
  7. Pipher, R.E. & G.K. Morris. 1974. Frequency modulation in Conocephalus nigropleurum, the black‑sided meadow katydid (Orthoptera: Tettigoniidae). Can. Entomol. 106: 997‑1001.
  8. Morris, G.K., G.E. Kerr & D.T. Gwynne.  (1975)  Calling song function in the bog katydid, Metrioptera sphagnorum (F. Walker) (Orthoptera, Tettigoniidae): female phonotaxis to normal and altered song.  Z. Tierpsychol. 37: 502‑514.
  9. Morris, G.K., G.E. Kerr & D.T. Gwynne.   (1975)  Ontogeny of phonotaxis in Orchelimum gladiator (Orthoptera:  Tettigoniidae: Conocephalinae).  Can. J. Zool. 53(8): 1127‑1130.
  10. Morris, G.K., R.B. Aiken & G.E. Kerr.  (1975)  Calling songs of Neduba macneilli and N. sierranus (Orthoptera:  Tettigoniidae: Decticinae).  J. N.Y. Entomol. Soc. 83(4):  229‑234.
  11. Morris, G.K. & T.J. Walker.  (1976)  Calling songs of Orchelimum meadow katydids (Tettigoniidae).  I. Mechanism, terminology and geographic distribution.  Can. Entomol. 108(8): 785‑800.
  12. Fenton, M.B. & G.K. Morris.  (1976)  Opportunistic feeding by desert bats (Myotis spp.).  Can. J. Zool. 54(4): 526‑530.
  13. Morris, G.K., G.E. Kerr & J.H. Fullard.  (1978)  Phonotactic preferences of female meadow katydids (Orthoptera: Tettigoniidae:  Conocephalus nigropleurum).  Can. J. Zool. 56(7): 1479‑1487.
  14. Morris, G.K. & D.T. Gwynne.  (1978)  Geographical distribution and biological observations of Cyphoderris (Orthoptera:  Haglidae) with a description of a new species.  Psyche 85(2‑3): 147‑167.
  15. Morris, G.K.  (1979)  Mating systems, paternal investment and aggressive behaviour of acoustic Orthoptera.  (Symposium "Sociobiology of Sex").  Fla. Entomol. 62(1): 9‑17.
  16. Morris, G.K.  (1980)  Calling display and mating behaviour of Copiphora rhinoceros Pictet (Orthoptera: Tettigoniidae).  Anim. Behav. 28(1): 42‑51.
  17. Morris, G.K. & M. Beier.  (1982)  Song structure and description of some Costa Rican katydids (Orthoptera: Tettigoniidae).  Trans. Amer. Entomol. Soc. 108: 287‑314.
  18. Morris, G.K. & J.H. Fullard  (1983)  Random noise and congeneric discrimination in Conocephalus (Orthoptera: Tettigoniidae). Pages 73‑96 In D.T. Gwynne and G.K. Morris, eds.  Orthopteran mating systems:  sexual competition in a diverse group of insects.  Westview Press, Boulder, Colorado.
  19. Dodson, G.N., G.K. Morris & D.T. Gwynne (1983) Mating behaviour of the primitive orthopteran genus Cyphoderris (Haglidae).  Pages 305‑318 In D.T. Gwynne and G.K. Morris, eds. Orthopteran mating systems:  sexual competition in a diverse group of insects.  Westview Press, Boulder, Colorado.
  20. Bailey, W.J. & G.K. Morris (1986) Confusion of phonotaxis by masking sounds in the bushcricket Conocephalus brevipennis (Tettigoniidae: Conocephalinae). Ethology, 73:19-28.
  21. Gwynne, D.T. & G.K. Morris (1986)  Heterospecific recognition and behavioral isolation in acoustic Orthoptera (Insecta). Evolutionary Theory, 8: 33-38.
  22. Belwood, J.J. & G.K. Morris (1987) Bat predation and its influence on calling behaviour in neotropical katydids.  Science 238: 64-67.
  23. Sakaluk, S.K., G.K. Morris & W. Andrew Snedden (1987) Mating and its effect on acoustic signalling behaviour in a primitive orthopteran, Cyphoderris strepitans (Haglidae): the cost of feeding females.  Behav. Ecol. Sociobiol. 21: 173-178.
  24. Morris, G.K., D.T. Gwynne, D.E. Klimas & S.K. Sakaluk (1989)  Virgin male mating advantage in a primitive acoustic insect (Orthoptera: Haglidae).  Journal Insect Behaviour 2: 173-185.
  25. Morris, G.K., D.E. Klimas & D.A. Nickle (1989) Acoustic signals and systematics of false-leaf katydids from Ecuador (Orthoptera, Tettigoniidae, Pseudophyllinae).  Trans. Amer. Entomol. Soc. 114: 215-264.
  26. Fullard, J.H., G.K. Morris & A.C.Mason (1989) Auditory processing in the black-sided meadow katydid Conocephalus nigropleurum (Orthoptera: Tettigoniidae).  J. Comp. Physiol. A 164: 501-512.
  27. Mason, A.C., G.K. Morris & P. Wall (1991) High ultrasonic hearing and tympanal slit function in rainforest katydids. Naturwissenschaften 78: 365-367.
  28. Tuckerman, J.F., D.T. Gwynne & G.K. Morris.  (1993) Female preference for reliable acoustic cues in a katydid Scudderia curvicauda.  Behavioral Ecology 4: 106-113.
  29. Morris, G.K., A.C. Mason, P. Wall & J.J. Belwood (1994) High ultrasonic and tremulation signals in neotropical katydids (Orthoptera: Tettigoniidae).  Journal of Zoology, London.  233:129-163.
  30. Morris, G.K. & A.C. Mason (1995) Covert stridulation: unique sound generation by a South American Katydid.  Naturwissenschaften.  82:96-98.
  31. DeLuca, P. & Morris, G.K. (1998) Courtship communication in meadow katydids: female preference for large male vibrations.  Behaviour 135:777-793.
  32. Mason, A.C., G.K. Morris & R.R. Hoy (1999) Peripheral frequency mis-match in the primitive ensiferan Cyphoderris monstrosa (Orthoptera: Haglidae).  J. comp. Physiol. 184: 543-551.
  33. Montealegre, F.Z. & Morris, G.K. (1999) Songs and systematics of some Tettigoniidae from Colombia and Ecuador I. Pseudophyllinae (Orthoptera). Journal of Orthoptera Research 8: 163-236.
  34. Morris, G.K. (1999) Song in Arthropods, pp 508-517. In Davey, K.G. (Ed.) Encyclopedia of Reproduction, Vol.4, Academic Press.
  35. Morris, G.K. & Montealegre-Z (2001) Los Tettigoniidae (Orthoptera: Ensifera) del Parque Regional Nacional Ucumari: aspectos interesantes de comunicacion acustica.  Revista Colombiana de Entomologia 27: 93-105.
  36. Morris, G.K., DeLuca, P., Norton, M. & Mason, A.C. (2002) Calling song function in Cyphoderris (Orthoptera, Haglidae). Canadian Journal of Zoology. 80: 271-285.
  37. Guerra, P. & Morris, G.K. (2002) Calling communication in meadow katydids (Orthoptera, Tettigoniidae): female preferences for species-specific wingstroke rates. Behaviour 139: 23-43.
  38. Montealegre-Z, F. & Morris, G.K. 2003. Uchuca Giglio-Tos, Dectinomima Caudell and their allies (Orthoptera: Tettigoniidae: Conocephalinae). Transactions of the Philadelphia Academy of Sciences 503-537.
  39. Montealegre-Z, F., Guerra, P.A., Morris, G.K. 2003. Panoploscelis specularis (Orthoptera: Tettigoniidae: Pseudophyllinae): extraordinary female sound generator, male description, male protest and calling signals. Journal of Orthoptera Research 12: 173-181.
  40. Montealegre-Z., F. & Morris, G.K. 2004. The spiny devil katydids, Panacanthus Walker (Orthoptera: Tettigoniidae): an evolutionary study of acoustic behaviour and morphological traits. Systematic Entomology 29: 21-57.
  41. Montealegre-Z, F., Morris, G.K., Mason, A.C. 2006. Generation of extreme ultrasonics in rainforest katydids. Journal of Experimental Biology 209: 4923-4937, DOI: 10.1242/jeb.02608.
  42. Morris G.K. 2008. Size and carrier in the bog katydid, Metrioptera [now Sphagniana] sphagnorum (Orthoptera: Ensifera: Tettigoniidae). Journal of Orthoptera Research 17(2): 333-342, DOI: 10.1665/1082-6467-17.2.333.
  43. Montealegre-Z F., Windmill J.F.C., Morris G.K., Robert D. 2009. Mechanical phase shifters for coherent acoustic radiation in the stridulating wing of crickets: the plectrum mechanism. Journal of Experimental Biology 212: 257-269, DOI: 10.1242/jeb.022731.
  44. Braun H., Morris G.K., Chamorro J. 2009. Curious katydids from the Andes of Colombia and Ecuador: three new species, a new genus and acoustic baffles. Journal of Orthoptera Research 18(2): 225-235, DOI: 10.1665/034.018.0209.
  45. De Souza L.R., Kasumovic M.M., Judge K.A., Morris G.K. 2011. Communicating male size by tremulatory vibration in a Colombian rainforest katydid, Gnathoclita sodalis (Orthoptera, Tettigoniidae) Behaviour 148: 341-357, DOI: 10.1163/000579511X559418.
  46. Montealegre-Z F., Morris G.K., Sarria-S F.A., Mason A.C. 2011. Quality calls: phylogeny and biogeography of a new genus of neotropical katydid (Orthoptera: Tettigoniidae) with ultra pure-tone ultrasonics. Systematics and Biodiversity 9(1): 77-94, DOI: 10.1080/14772000.2011.560209.
  47. Judge K.A., De Luca P.A., Morris G.K. 2011. Food limitation causes female haglids to mate more often. Can. J. Zool. 89: 992-998, DOI: 10.1139/Z11-078.
  48. [Non-refereed] Morris G.K. 2006. Comparing cricket ears. Canadian Acoustics 34: 44-45.
  49. [Non-refereed] Morris G.K. 2009. Andean ultrasonics: bioacoustics of two tropical montane katydids. Canadian Acoustics 37: 166-167.
  50. Sarria-S F.A., Morris G.K., Windmill J.F.C., Jackson J., Montealegre-Z F. 2014. Shrinking wings for ultrasonic pitch production: hyperintense ultra-short-wavelength calls in a new genus of neotropical katydids (Orthoptera, Tettigoniidae). PLOSone 9(6).
  51. Morris G.K., Holger Braun, Wirkner C.S. 2016. Stridulation of the clear-wing meadow katydid Xiphelimum amplipennis, adaptive bandwidth. Bioacoustics 25(3): 225-251.

  52. Morris G.K., Hall A.M., Romer H. 2018. Listening in the bog: I. Acoustic interaction and spacing between males of Sphagniana sphagnorum. J. comparative Physiology 204(4): 339-351.

You will be redirected to the secure UTORid login page