Brachycistidinae

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Brachycistidinae
Tiphiid Wasp - Brachycistidinae subfamily, Great Basin National Park, Baker, Nevada.jpg
Tiphiid Wasp species of the Brachycistidinae subfamily, from the Great Basin National Park, Baker, Nevada
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Tiphiidae
Subfamily: Brachycistidinae
Kimsey 1991 [1]
Genera

See text

Brachycistidinae is a subfamily of the flower wasp family Tiphiidae that contains 10 genera and 85 species, [2] and which is confined to the Nearctic zoogeographic region. [1]

Contents

Distinguishing Characters

The wasps in the subfamily Brachycistidinae are distinguished from the subfamily Tiphiinae by having simple claws and the lack of an epicnemial suture, while the tegulae do not cover the axillary sclerites of the fore wings. [3] These wasps demonstrate extreme sexual dimorphism; the females resemble ants and are wingless, while the males are winged and nocturnal. These extreme differences between the sexes have led to instances where the males and females are described as separate species, known as "dual taxonomy", and later work shows the two "species" to be synonymous. [2] The identification of both sexes as a single species is often only achieved when they are collected in copula. [4]

Biology

The female wasps of the family Tiphiidae are mainly ectoparasitic on fossorial beetle larvae, especially members of the family Scarabaeidae and carabid subfamily Cicindelinae, known as tiger beetles. The nocturnal, winged males are often attracted to lights, so are well represented in museum collections; the wingless females mainly live underground and are more difficult to collect, although they do emerge at night when they may also be attracted to lights. Few observations of the hosts of Brachycistidinae have been made, but a female of the genus Stilbopogon was observed stinging a beetle larva that was identified as belonging to a species of darkling beetle probably a species within the genus Eusattus . [2]

Taxonomy

The taxonomy of the subfamily is difficult to resolve due to similarity of the structures of the species and their lack of distinctive colouration and patterning. However, the males show a number of distinguishing characters in the structures of their genitalia, heads, thoraces, and the venation of their wings. [5]

Taxonomy according to Kimsey and Wasbauer (2006)

The following genera are currently placed within the Brachycistidinae in two well-supported clades: [5]

Clade one

Clade two

Taxonomy according to Kimsey (2006)

A phylogenetic analysis using females suggested a different phylogeny, but the true relationships of the genera in the subfamily will probably remain uncertain until a DNA based phylogenetic study can be undertaken. [6]

The female-based phylogeny was: [6]

Clade one

  • ColocistisKrombein, 1942
  • BrachycistisFox, 1893
  • Glyptacros Mickel & Krombein, 1942

Clade two

Related Research Articles

Tiger beetle Subfamily of beetles

Tiger beetles are a large group of beetles, from the Cicindelinae subfamily, known for their aggressive predatory habits and running speed. The fastest known species of tiger beetle, Cicindela hudsoni, can run at a speed of 9 km/h, or about 125 body lengths per second. As of 2005, about 2,600 species and subspecies were known, with the richest diversity in the Oriental (Indo-Malayan) region, followed by the Neotropics.

Ichneumonidae Family of wasps

The Ichneumonidae, also known as the ichneumon wasps or ichneumonids, is a parasitoid wasp family within the insect order Hymenoptera. This insect family is among the most species-rich branches of the tree of life. At the same time, it is one of the groups for which our knowledge most severely lags behind their actual diversity. The roughly 25,000 species described today probably represent less than a quarter of their true richness, but reliable estimates are lacking, as is much of the most basic knowledge about their ecology, distribution and evolution. Ichneumonid wasps, with very few exceptions, attack the immature stages of holometabolous insects and spiders, eventually killing their hosts. They thus fulfill an important role as regulators of insect populations, both in natural and semi-natural systems, making them promising agents for biological control.

Agaonidae Family of wasps

The family Agaonidae is a group of pollinating and nonpollinating fig wasps. They spend their larval stage inside the fruits of figs. The pollinating wasps are the mutualistic partners of the fig trees. The nonpollinating fig wasps are parasitic. Extinct forms from the Eocene and Miocene are nearly identical to modern forms, suggesting that the niche has been stable over geologic time.

Vespoidea Superfamily of insects

Vespoidea is a superfamily of wasps in the order Hymenoptera, although older taxonomic schemes may vary in this categorization, particularly in whether to recognize the superfamilies Scolioidea or Formicoidea. Vespoidea includes wasps with a large variety of lifestyles: eusocial, social, and solitary habits, predators, scavengers, parasitoids, and some herbivores.

Tiphiidae Family of insects

The Tiphiidae are a family of large, solitary wasps whose larvae are parasitoids of various beetle larvae, especially those in the superfamily Scarabaeoidea. Until recently, this family contained several additional subfamilies, but multiple studies have independently confirmed that these comprise a separate lineage, and are now classified in the family Thynnidae.

Rhopalosomatidae Family of insects

Rhopalosomatidae is a family of Hymenoptera containing about 68 extant species in four genera that are found worldwide. Three fossil genera are known.

Trigonalidae Family of wasps

The Trigonalidae are one of the more unusual families of hymenopteran insects, of indeterminate affinity within the suborder Apocrita, and presently placed in a unique superfamily, Trigonaloidea, and the only extant taxon in the superfamily. The other taxa is an extinct family named Maimetshidae though it is sometimes included in Megalyridae making Trigonalidae the only member in Trigonaloidea. Trigonalidae are divided into 7 subfamilies; Orthogonalinae, Trigonalinae, Seminotinae, Bareogonaloinae, Platygonalinae, Nomadininae, and Lycogastrinae. These wasps are extremely rare, but surprisingly diverse, with over 90 species in over 30 genera and 7 subfamilies, and are known from all parts of the world. It is possibly the sister group to all Aculeata.

The Euparagiinae are a small subfamily of rare wasps in the family Vespidae containing the single genus Euparagia. The group had a cosmopolitan distribution in past geological times, but is now a geographically relict taxon known only from the desert regions of the Southwestern United States and northwestern Mexico.

Microgastrinae Subfamily of wasps

Microgastrinae is a subfamily of braconid wasps, encompassing 2,000 described species, with an estimated 5,000-10,000 total species. This makes it one of the richest subfamilies with the most species of parasitoid wasps.

<i>Tiphia femorata</i> Species of wasp

Tiphia femorata, often known as a beetle-killing wasp or common tiphiid wasp, is a species of wasp belonging to the family Tiphiidae, subfamily Tiphiinae.

<i>Anoplius nigerrimus</i> Species of wasp

Anoplius nigerrimus is one of the most common spider wasps, or pompilids, in Europe. They are mostly black and the females are 6-8 mm long while males measure 5-8 mm. This species may be distinguished from the related Anoplius concinnus and Anoplius caviventris by the 20 setae, or hairs, on the forehead rather than 60 or 45.

Ceropalinae Subfamily of wasps

The Ceropalinae are a subfamily of the Pompilidae, the spider wasps, containing two genera, whose members are kleptoparasitic on other solitary wasps which hunt spiders, mainly fellow members of the Pompilidae.

Agroecomyrmecinae Subfamily of ants

Agroecomyrmecinae is a subfamily of ants containing two extant and two fossil genera. The subfamily was originally classified in 1930 by Carpenter as Agroecomyrmecini, a Myrmicinae tribe. Bolton raised the tribe to subfamily status in 2003, suggesting that Agroecomyrmecinae might be the sister taxon to Myrmicinae. It has since been discovered to be one of the earliest lineages of ants, a clade from the basal polytomy for all ants. In 2014, the subfamily was expanded to two tribes. The tribe Ankylomyrmini was moved from the subfamily Myrmicinae to Agroemyrmecinae.

Ireangelus is a genus of kleptoparasitic spider wasps from the sub-family Ceropalinae of the family Pompilidae. The genus has a pan tropical distribution, being known from Oriental, Neotropical, Australian, eastern Palearctic, and Madagascan Zoogeographic regions being best represented in the Neotropics. Irenangelus is closely related to the more widespread genus Ceropales, the two genera forming a monophyletic subfamily, Ceropalinae within the Pompilidae. This is regarded as the most basal grouping of the Pompilidae but this view is problematic because of the kleptoparasitic life history of the Ceropalines, it is now considered that they Ceropalines and other pompilids evolved from a common ectoparasitoid ancestor.

Thynnidae Family of insects

The Thynnidae are a family of large, solitary wasps whose larvae are almost universally parasitoids of various beetle larvae, especially those in the superfamily Scarabaeoidea. Until recently, the constituents of this family were classified in the family Tiphiidae, but multiple studies have independently confirmed that thynnids are a separate lineage.

Tiphiinae Subfamily of wasps

Tiphiinae is one of the two subfamilies of the flower wasp family Tiphiidae, the other being the Nearctic Brachycistidinae. It is the larger of the two and has a worldwide distribution.

<i>Myzinum</i> Genus of wasps

Myzinum is a genus of wasps in the family Thynnidae. There are 63 species presently recognized in Myzinum.

Amiseginae Subfamily of wasps

Amiseginae is a subfamily of cuckoo wasps in the family Chrysididae. There are more than 30 genera and 150 described species in Amiseginae.

Loboscelidiinae Subfamily of wasps

Loboscelidiinae is a subfamily of cuckoo wasps in the family Chrysididae. There are at least 2 genera and more than 40 described species in Loboscelidiinae.

References

  1. 1 2 "Taxonomy for Brachycistidinae". insectoid.info. Archived from the original on 26 August 2017. Retrieved 13 May 2017.
  2. 1 2 3 Marek L. Borowiec; Lynn S. Kimsey (2015). "The First Host Record for the Wasp Subfamily Brachycistidinae (Hymenoptera: Tiphiidae)" (PDF). Proceedings of the Entomological Society of Washington. 117 (1): 62–64. doi:10.4289/0013-8797.117.1.62. S2CID   85622480.
  3. Karl V. Krombein (1942). "A new genus and species of Brachycistidinae (Hymenoptera: Tiphiidae)". Proceedings of the Entomological Society of Washington. 44 (4): 62–67.
  4. David M. Martill; Günter Bechly; Robert F. Loveridge (2007). The Crato Fossil Beds of Brazil: Window into an Ancient World. Cambridge University Press. p. 353. ISBN   9781139467766.
  5. 1 2 Lynn S. Kimsey; Marius Wasbauer (2006). "Phylogeny and Checklist of the Nocturnal Tiphiids of the Western Hemisphere (Hymenoptera: Tiphiidae: Brachycistidinae)". Journal of Hymenoptera Research. 15 (1): 9–25.
  6. 1 2 Lynn S. Kimsey (2006). "Competing Taxonomies: Reexamination of the female-based genera of Brachycistidinae (Hymenoptera: Tiphiidae)" (PDF). Zootaxa. 1211: 21–34. doi:10.11646/zootaxa.1211.1.2.