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The Curculionidae are a family of weevils, commonly called snout beetles or true weevils. They are one of the largest animal families with 6,800 genera and 83,000 species described worldwide. They are the sister group to the family Brentidae.
Chalcid wasps are insects within the superfamily Chalcidoidea, part of the order Hymenoptera. The superfamily contains some 22,500 known species, and an estimated total diversity of more than 500,000 species, meaning the vast majority have yet to be discovered and described. The name "chalcid" is often confused with the name "chalcidid", though the latter refers strictly to one constituent family, the Chalcididae, rather than the superfamily as a whole; accordingly, most recent publications (e.g.,) use the name "chalcidoid" when referring to members of the superfamily.
Weevils are beetles belonging to the superfamily Curculionoidea, known for their elongated snouts. They are usually small – less than 6 mm in length – and herbivorous. Approximately 97,000 species of weevils are known. They belong to several families, with most of them in the family Curculionidae. It also includes bark beetles, which while morphologically dissimilar to other weevils in lacking the distinctive snout, is a subfamily of Curculionidae. Some other beetles, although not closely related, bear the name "weevil", such as the biscuit weevil, which belongs to the family Ptinidae.
The Mymaridae, commonly known as fairyflies or fairy wasps, are a family of chalcidoid wasps found in temperate and tropical regions throughout the world. The family contains around 100 genera with 1,400 species.
The Eucharitidae are a family of parasitic wasps. Eucharitid wasps are members of the superfamily Chalcidoidea and consist of three subfamilies: Oraseminae, Eucharitinae, and Gollumiellinae. Most of the 55 genera and 417 species of Eucharitidae are members of the subfamilies Oraseminae and Eucharitinae, and are found in tropical regions of the world.
The Pteromalidae are a large family of wasps, the majority being parasitoids of other insects. They are found throughout the world in virtually all habitats, and many are important as biological control agents. The oldest known fossil is known from the Early Cretaceous.
The Leucospidae are a specialized group of wasps within the superfamily Chalcidoidea, that are ectoparasitoids of aculeate wasps or bees. They are typically mimics of bees or stinging wasps, often black with yellow, red, or white markings, sometimes metallic, with a robust mesosoma and very strong sculpturing. The hind femora are often greatly enlarged, with a row of teeth or serrations along the lower margin as in Chalcididae. The wing has a longitudinal fold. The female ovipositor is sometimes short, but if not, it is recurved and lies along the dorsal side of the metasoma, a unique feature. The males are also unusual, in the fusion of many of the metasomal segments to form a capsule-like "carapace".
Signiphoridae is a small family of parasitic wasps in the superfamily Chalcidoidea. The roughly 80 species are placed in four genera.
Anthonomus eugenii is known as the pepper weevil. This beetle feeds and lays eggs on plants in the genus Capsicum and a few species in the genus Solanum. A. eugenii is native to Mexico, however, it is an important pest of Capsicum in Florida, Puerto Rico, and Central America.
The rice weevil is a stored product pest which attacks seeds of several crops, including wheat, rice, and maize.
Callosobruchus maculatus is a species of beetles known commonly as the cowpea weevil or cowpea seed beetle. It is a member of the leaf beetle family, Chrysomelidae, and not a true weevil. This common pest of stored legumes has a cosmopolitan distribution, occurring on every continent except Antarctica. The beetle most likely originated in West Africa and moved around the globe with the trade of legumes and other crops. As only a small number of individuals were likely present in legumes carried by people to distant places, the populations that have invaded various parts of the globe have likely gone through multiple bottlenecks. Despite these bottlenecks and the subsequent rounds of inbreeding, these populations persist. This ability to withstand a high degree of inbreeding has likely contributed to this species’ prevalence as a pest.
The maize weevil, known in the United States as the greater rice weevil, is a species of beetle in the family Curculionidae. It can be found in numerous tropical areas around the world, and in the United States, and is a major pest of maize. This species attacks both standing crops and stored cereal products, including wheat, rice, sorghum, oats, barley, rye, buckwheat, peas, and cottonseed. The maize weevil also infests other types of stored, processed cereal products such as pasta, cassava, and various coarse, milled grains. It has even been known to attack fruit while in storage, such as apples.
Theocolax elegans is a parasitic wasp species in the genus Theocolax. It is a parasite of immature stages of stored grain pest insects such as Sitophilus granarius or Rhyzopertha dominica.
Trichilogaster signiventris, commonly known as the golden wattle bud-galling wasp, is a species of Australian chalcid wasps that parasitises, among others, Acacia pycnantha. It has been introduced into South Africa, where the golden wattle has become an invasive pest.
Callosobruchus chinensis is a common species of beetle found in the bean weevil subfamily, and is known to be a pest to many stored legumes. Although it is commonly known as the adzuki bean weevil it is in fact not a true weevil, belonging instead to the leaf beetle family, Chrysomelidae. Other common names include the pulse beetle, Chinese bruchid and cowpea bruchid. This species has a very similar lifestyle and habitat to Callosobruchus maculatus and their identities are often mistaken for each other. It also exhibits reproductive interference with C. maculatus. These beetles can be monandrous or polyandrous, depending on their environment. This beetle is a common pest targeting many different species of stored legumes and it is distributed across the tropical and subtropical regions of the world. C. chinensis is one of the most damaging crop pests to the stored legume industry due to their generalized legume diets and wide distribution.
Lariophaugus is a genus of hymenopteran parasitoids in the family Pteromalidae. The genus was described by American entomologist and taxonomist James Chamberlain Crawford, with the type species Lariophagus texanus.
Dinarmus is a genus of wasps belonging to the family Pteromalidae.
Enoggera is a genus of wasp in the Pteromalidae family. It is native to Australia and has five known species. It was introduced to South Africa to serve as biological pest-control against the Eucalyptus destroying beetle, Trachymela tincticollis.
Lyciscidae is a family of chalcid wasps. The genera comprising this family were previously placed in the Cleonyminae subfamily of a paraphyletic Pteromalidae.
Scutellista is a genus of chalcid wasps. They are parasitoids of scale insects.
References
- 1 2 Niedermayer, S.; Pollmann, M.; Steidle, J.L.M. (2016). "Lariophagus distinguendus (Hymenoptera: Pteromalidae) (Förster)—Past, Present, and Future: The History of a Biological Control Method Using L. distinguendus against Different Storage Pests". Insects. 7 (3): 1–9. doi: 10.3390/insects7030039 . PMC 5039552 . PMID 27490572.
- ↑ Förster, Arnold (1841). Beiträge zur Monographie der Pteromalinen Nees.
- ↑ Gahan, A.B. (1921). "On the identity of several species of Chalcidoidea (Hymenoptera)". Proceedings of the Entomological Society of Washington. 22: 235–243.
- ↑ Kurdjumov, N. (1913). "Notes on Pteromalidae (Hymenoptera, Chalcididae)". Russian Review of Entomology (in Russian). 13 (1).
- ↑ Ruschka, Franz (1921). "Zur Morphologie und Systematik des Kornkäfer-Chalcidiers Lariophagus distinguendus Först" (PDF). Zeitschrift für Angewandte Entomologie. 7 (2): 463–465. doi:10.1111/j.1439-0418.1921.tb01496.x.
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