Stylops

Stylops[1] is a genus of obligately endoparasitic insects in the family Stylopidae. Hosts are typically members of the order Hymenoptera.

Stylops
Stylops species: Adult male at top. Female and pupa at bottom right, B & C
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Strepsiptera
Family: Stylopidae
Genus: Stylops
Kirby, 1802
Stylops melittae Male; note the halteres in front of the wings
Stylops melittae females protruding from the abdomen of an Andrenid bee

The name "stylops", used without a capital "s", refers as a common name to any member of the order Strepsiptera, and not only the genus Stylops.[2]

Description

Males are 2–3 mm long and black with white wings. Females have no limbs and are only seen from their head and thorax poking out of the host bee. Larvae are triungulin.[3]

Life cycle

Stylops larvae emerge from their host bee while the host gathers pollen from flowers. The larvae then attach to other bees in order to be carried back to the nest. At the nest, the Stylops larvae enter the bodies of bee larvae and develop along with their host. Adult males leave their hosts to mate with females, who remain inside their host and hatch their eggs there.[3]

Species

Many[4] including:

  • Stylops analis Perkins, 1918
  • Stylops andrenaphilus Luna de Carvalho, 1974
  • Stylops ater Reichert, 1914
  • Stylops aterrimus Newport, 1851
  • Stylops borcherti Luna de Carvalho, 1974
  • Stylops dalii Curtis, 1828
  • Stylops deserticola Medvedev, 1970
  • Stylops dinizi Luna de Carvalho, 1974
  • Stylops friesei Kirby, 1802
  • Stylops gwynanae Günther, 1957
  • Stylops hammella Perkins, 1918
  • Stylops ibericus Luna de Carvalho, 1969
  • Stylops kinzelbachi Luna de Carvalho, 1974
  • Stylops liliputanus Luna de Carvalho, 1974
  • Stylops lusohispanicus Luna de Carvalho, 1974
  • Stylops madrilensis Luna de Carvalho, 1974
  • Stylops maxillaris Pasteels, 1949
  • Stylops melittae Kirby, 1802
  • Stylops moniliaphagus Luna de Carvalho, 1974
  • Stylops nevinsoni Perkins, 1918
  • Stylops obenbergeri Ogloblin, 1923
  • Stylops obsoletus Luna de Carvalho, 1974
  • Stylops pacificus Bohart, 1936
  • Stylops paracuellus Luna de Carvalho, 1974
  • Stylops pasteelsi Luna de Carvalho, 1974
  • Stylops praecocis Luna de Carvalho, 1974
  • Stylops risleri Kinzelbach, 1967
  • Stylops ruthenicus Schkaff, 1925
  • Stylops salamancanus Luna de Carvalho, 1974
  • Stylops spreta Perkins, 1918
  • Stylops thwaitesi Perkins, 1918
  • Stylops ventricosae Pierce, 1909
  • Stylops warnckei Luna de Carvalho, 1974

The official seal, and later logo, of the Royal Entomological Society features a male Stylops.[5]

References
  1. Kirby W (1802) Monographia apum Angliæ; or, An attempt to divide into their natural genera and families, such species of the Linnean genus Apis as have been discovered in England; with descriptions and observations. To which are prefixed some introductory remarks upon the class Hymenoptera, and a synoptical table of the nomenclature of the external parts of these insects. J. Raw, Ipswich, London. Vol. 2: 258 pp.
  2. Merriam-Webster: stylops broadly: an insect of the order Strepsiptera |
  3. Will, Kip; Gross, Joyce; Rubinoff, Daniel; Powell, Jerry A. (2020). Field Guide to California Insects. Oakland, California: University of California Press. p. 189. ISBN 9780520288744.
  4. GBIF: Stylops Kirby, 1802
  5. "Stylops". 11 May 2017.
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