Ceratosolen

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Ceratosolen
Ceratosolen capensis op Ficus sur, Jan Celliers Park, a.jpg
C. capensis, adult female
Scientific classification e
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Agaonidae
Subfamily: Kradibiinae
Genus: Ceratosolen
Mayr, 1885
Type species

(Mayr, 1885)
Species

See text

Ceratosolen is an Old World wasp genus in the family Agaonidae (fig wasps). They are pollinators of the monoecious[1] fig subsections Sycomorus and Sycocarpus, and the section Neomorphe,[2] all belonging to the subgenus Sycomorus.[3][4] The genus is native to the Palearctic, Afrotropical, Indomalayan and Australasian realms.[3]

Biology[]

Adults enter through the fig ostiole, a narrow, bract-lined passage, then pollinate and attempt to oviposit on the flowers.[5] Flower ovules that receive an egg become galled and the larvae consume the gall tissue. Pollinated flowers missed by the wasps produce one seed each. The adult offspring emerge from the gall and mate in the fig, before the winged female wasps disperse, carrying the flower pollen with them.[5]

Associations[]

Several non-pollinating wasp species of the Chalcidoidea exploit the mutualism.[5] Sycophaga sycomori oviposits inside the short-style flowers, thereby stimulating the growth of endosperm tissue and the enlargement and ripening of the syconium which holds the wasp-bearing drupelets, without pollination taking place.[6] The parasitic species Apocrypta guineensis and Sycoscapter niger use long ovipositors to pierce the fig wall to infect the larvae during their development inside the flower galls,[7] and consequently reduce pollinator production.[5]

Species[]

There are more than 60 described species, including:[3]

  • Wiebes, 1963
  • Mayr, 1906
  • Wiebes, 1965
  • Wiebes, 1963
  • (Mayr, 1885)
  • Mayr, 1906
  • Wiebes, 1963
  • Grandi, 1927
  • Wiebes, 1963
  • Wiebes, 1965
  • Ceratosolen solmsi (Mayr, 1885)
  • Wiebes, 1994
  • Wiebes, 1963
  • Wiebes, 1989
  • Wiebes, 1963
  • Wiebes, 1994
  • Wiebes, 1981
  • Chen & Chou, 1997

References[]

  1. ^ Weiblen, George D. (September 2000). "Phylogenetic relationships of functionally dioecious FICUS (Moraceae) based on ribosomal DNA sequences and morphology". American Journal of Botany. 87 (9): 1342–1357. doi:10.2307/2656726. JSTOR 2656726. PMID 10991904.
  2. ^ Zhen, Wen-Quan; Huang, Da-Wei; Xiao, Jin-Hua; Yang, Da-Rong; Zhu, Chao-Dong; Xiao, Hui (April 2005). "Ovipositor length of three Apocrypta species: Effect on oviposition behavior and correlation with syconial thickness" (PDF). Phytoparasitica. 33 (2): 113–120. doi:10.1007/BF03029967. S2CID 35479915. Retrieved 5 October 2015.
  3. ^ a b c Van Noort; et al. "Ceratosolen Mayr". Figweb. iziko museums. Archived from the original on 14 July 2014. Retrieved 9 July 2014.
  4. ^ Van Noort; et al. "Fig tree classification". Figweb. iziko museums. Archived from the original on 27 September 2015. Retrieved 12 October 2015.
  5. ^ a b c d Harrison, Rhett D.; et al. (5 June 2012). "Evolution of Fruit Traits in Ficus Subgenus Sycomorus (Moraceae): To What Extent Do Frugivores Determine Seed Dispersal Mode?". PLOS ONE. 7 (6): e38432. doi:10.1371/journal.pone.0038432. PMC 3367955. PMID 22679505.
  6. ^ Armstrong, W.P. "Gall flowers in figs: Does The Fig Wasp Really Produce A Gall?". Wayne's Word. Archived from the original on 16 March 2014. Retrieved 9 July 2014.
  7. ^ Van Noort, Simon; Van Harten, Antonius (2006-12-18). "The species richness of fig wasps (Hymenoptera: Chalcidoidea: Agaonidae, Pteromalidae) in Yemen". Fauna of Arabia (22): 449–472. Retrieved 1 January 2013.

External links[]

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