Chaoborus astictopus explained

Chaoborus astictopus, the Clear Lake gnat, is a species of phantom midges in the family Chaoboridae. The older larvae are commonly found in the profundal zone of lakes during the day and in the open waters at night, suggesting that they are negatively phototactic.[1]

The larvae can be vulnerable to the pathogen Thelohania corethrae during the winter season.[2] They are also susceptible to the fungal pathogen Tolypocladium cylindrosporum.[3]

Notes and References

  1. Cook. S. F.. Conners. J. D.. 1964-05-01. The Direct Response of Chaoborus astictopus to Light (Diptera: Gulicidae). Annals of the Entomological Society of America. en. 57. 3. 387–388. 10.1093/aesa/57.3.387. 0013-8746. free.
  2. Sikorowski. Peter P.. Madison. Clifford H.. 1968-09-01. Host-parasite relationships of Thelohania corethrae (Nosematidae: Microsporidia) from Chaoborus astictopus (Diptera: Chaoboridae). Journal of Invertebrate Pathology. 11. 3. 390–397. 10.1016/0022-2011(68)90188-2. 0022-2011.
  3. Turlington. L.W.. Woodward. D.L.. Colwell. A.E.. January 1990. Pathogenesis of Tolypocladium cylindrosporum (Deuteromycotina: Hyphomycetes) in Chaoborus astictopus (Diptera: Chaoboridae). Journal of Invertebrate Pathology. en. 55. 1. 126–129. 10.1016/0022-2011(90)90042-5.

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