| Dicopomorpha | |
|---|---|
 | |
| Dicopomorpha echmepterygis male, paratype, ventral. 52 habitus 53 head + prothorax + procoxa 54 apex of gaster 55 mesosoma + base of most legs and metasoma. Scale line = 20 μm, except Fig. 52 = 50 μm. | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Hymenoptera |
| Family: | Mymaridae |
| Genus: | Dicopomorpha Ogloblin, 1955 |
| Species | |
| |
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.
Dytiscus is a Holarctic genus of predaceous diving beetles that usually live in wetlands and ponds. There are 26 species in this genus distributed in Europe, Asia, North Africa and North and Central America. They are predators that can reduce mosquito larvae.
The Braconidae are a family of parasitoid wasps. After the closely related Ichneumonidae, braconids make up the second-largest family in the order Hymenoptera, with about 17,000 recognized species and many thousands more undescribed. One analysis estimated a total between 30,000 and 50,000, and another provided a narrower estimate between 42,000 and 43,000 species.
The Mymaridae, commonly known as fairyflies or fairy wasps, are a family of chalcidoid wasps found in temperate, subtropical, and tropical regions throughout the world. The family contains around 100 genera with 1,400 species.
Dicopomorpha echmepterygis is the smallest known insect and a species of parasitoid wasp of the family Mymaridae, which exhibits strong sexual dimorphism. The males are blind, apterous, and their body length is only 40% that of females. With a body length averaging 186 μm, males of D. echmepterygis have the shortest body length of all known insects. The measured body length of a female was 550 μm. Dicopomorpha echmepterygis males have relatively long legs and are dull grayish brown, with small heads that lack compound eyes, and unsegmented antennae. Females, however, have entirely black bodies with dusky brown legs and antennae. The antennae are twice as long as for males, and females have fully-functional wings that are narrowed slightly through the middle. The eggs and larvae of this parasitoid are considerably smaller than the adult.
The Baeomorphidae, are a very small family of rare, relictual parasitic wasps in the superfamily Chalcidoidea, known primarily from fossils. Only two extant species are known, each in its own genus, one from New Zealand and one from Chile, and little is known about their biology, though there is suspicion that they are parasitoids of the relictual true bug family Peloridiidae.
Figitidae is a family of parasitoid wasps. The full diversity of this wasp family is not yet known, but about 1400 species have been described to over 130 genera. For example, the largest subfamily, Eucoilinae, has over 1000 described species so far, but this is probably just a fraction of the total diversity. Figitid species occur throughout most of the world.
A wasp is any insect of the narrow-waisted suborder Apocrita of the order Hymenoptera which is neither a bee nor an ant; this excludes the broad-waisted sawflies (Symphyta), which look somewhat like wasps, but are in a separate suborder. The wasps do not constitute a clade, a complete natural group with a single ancestor, as bees and ants are deeply nested within the wasps, having evolved from wasp ancestors. Wasps that are members of the clade Aculeata can sting their prey.
Kikiki is a genus of fairyfly wasps containing a single species, Kikiki huna, known from Hawaii, Costa Rica, Nagarcoil and Trinidad. At 0.15 mm (0.0059 in), it is the smallest flying insect known as of 2019. It is a close relative of wasps in the genus Tinkerbella. It was discovered in the Hawaiian Islands by John T. Huber and John W. Beardsley, and published in 2000. The name Kikiki huna consists of two Hawaiian words that both carry the meaning 'tiny bit'.
Arescon is a genus of fairyflies. It contains the following species:
Tinkerbella is a genus of fairy wasps, containing the single species Tinkerbella nana from Costa Rica. It is one of the smallest known flying arthropods and belongs to the family Mymaridae.
Caraphractus cinctus is a species of fairyfly. It is found in the Palearctic as well as Canada and the United States.
Acmotemnus is a genus of fairyflies in the family Mymaridae. This genus has a single species, Acmotemnus luteiclava, found in New Zealand.
Ophelimus maskelli is a species of chalcid wasp about 1mm long, known as the eucalyptus gall wasp, indigenous to Australia and New Zealand, and invasive in the Mediterranean, the Middle East, North Africa, South Africa, tropical Asia, and the United States (California). It is considered a plant pest as females lay eggs on immature eucalyptus leaves; the larvae produce galls on the leaves. Heavy infestations induce much galling which causes widespread defoliation and loss of growth. Wasps may emerge in large numbers in the spring, forming clouds which are a nuisance to humans.
Anaphes nitens is a species of fairyfly, a chalcid wasp in the family Mymaridae. Native to Australia, it is an egg parasitoid of the gum tree snout beetle, a pest of Eucalyptus trees, and has been used in biological pest control of that species.
Anagrus is a genus of fairyflies, in the family Mymaridae, comprising over 90 species, a number of which are employed as biocontrol agents. They come in a wide array of colors such as, brown, orange, black and pale. For classificatory purposes, the genus is divided into three subgenera Anagrella, Anagrus and Paranagrus. The adults lay eggs on the host, mainly Hemiptera, with a few using Odonata as hosts.
Polynema is a genus of fairyflies or fairy wasps, insects in the family Mymaridae.
Listronotus oregonensis, the carrot weevil, is a species of weevil in the beetle family Curculionidae. It is found in North America.
Dicopus is a wasp genus in the family Mymaridae. About 15 species have been described in the genus.
Anagrus atomus is a species of fairyfly. It is an egg parasitoid of Arboridia kermanshah, the grape leafhopper.
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