| Eristalinus tabanoides | |
|---|---|
 | |
| Pinned male specimen | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Diptera |
| Family: | Syrphidae |
| Genus: | Eristalinus |
| Species: | E. tabanoides |
| Binomial name | |
| Eristalinus tabanoides (Jaennicke, 1867) | |
| Synonyms | |
Eristalis punctifer Walker, 1871 | |
Eristalinus tabanoides is a species of hoverfly that inhabits the Old world. [1]
E. tabanoides is a large and robust fly, with a hemispherical-shaped head and thick, stocky legs. The fly possesses a pair of small, lobed antennae with a filamentous structure protruding from each antenne, a thorax with four parallel black stripes longitudinally arranged, and an abdomen decorated with bright orange, white and black markings. [2] The species has remarkable speckled eyes (which usually fade out in dry specimens), making them similar to Eristalinus megacephalus . However, the male of E. tabanoides depicts a “dust band” on their second tergite, which differentiates them [3]
Like other members of its genus, the larva of E. tabanoides is a rat-tailed maggot or a “mousie”. The larva is aquatic, white and sausage-shaped with prolegs, bearing a unique posterior breathing apparatus resembling a tail which is what gives them their name. The larvae are saprovores, consuming dead organic matter in the stagnant water they inhabit using internal mouth hooks to tear it apart. [4]
The larva, like other hoverflies, hardens into its pupal phase as it forms a tough exoskeleton. The puparium resembles the larvae, even possessing the hardened breathing apparatus, however the anterior end is truncate and tapers posteriorly. The puparium is flat on the ventral surface, and is dark brown in colour. [5]
Hoverflies, also called flower flies or syrphids, make up the insect family Syrphidae. As their common name suggests, they are often seen hovering or nectaring at flowers; the adults of many species feed mainly on nectar and pollen, while the larvae (maggots) eat a wide range of foods. In some species, the larvae are saprotrophs, eating decaying plant and animal matter in the soil or in ponds and streams. In other species, the larvae are insectivores and prey on aphids, thrips, and other plant-sucking insects.
Eristalis is a large genus of hoverflies, family Syrphidae, in the order Diptera. Several species are known as drone flies because they bear a resemblance to honeybee drones.
Eristalis tenax, the common drone fly, is a common, migratory, cosmopolitan species of hover fly. It is the most widely distributed syrphid species in the world, and is known from all regions except the Antarctic. It has been introduced into North America and is widely established. It can be found in gardens and fields in Europe and Australia. It has also been found in the Himalayas.
Rat-tailed maggots are the larvae of certain species of hoverflies belonging to the tribes Eristalini and Sericomyiini. A characteristic feature of rat-tailed maggots is a tube-like, telescoping breathing siphon located at its posterior end. This acts like a snorkel, allowing the larva to breathe air while submerged. The siphon is usually about as long as the maggot's body, but can be extended as long as 150 mm (5.9 in). This organ gives the larva its common name.
Eupeodes americanus, the American hoverfly, is found throughout North America and inhabits meadows, and fields with flowers and foliage. Adults feed on nectar, whereas their larvae feed on aphids. The adult fly is black to metallic green, and has three yellow bands on its abdomen. Its face is a light yellow with large black compound eyes on either side, and its wings are clear; it is 9–12 mm in body length. The larvae are mature at around 11 mm, and they are yellow-white to salmon brown, with markings of black and white or yellow-white. The lighter markings consist of a transverse rectangular bars on segments 6 to 11, and a narrow line along each side of the larvae. Early instars have visible black setae. The larvae are active feeders. They are being considered as suitable biological control agents for aphids and scale insects. This species is considered highly migratory, moving from Canada to the southeastern United States during autumn
Eristalinus taeniops is a species of hoverfly, also known as the band-eyed drone fly.
Eristalis arbustorum, the European drone fly, is an abundant Northern Hemisphere species of syrphid fly, originally officially described by Linnaeus in 1758 as Musca arbustorum. The name "drone fly" is related to its similar appearance to the drone of the honeybee. Hoverflies get their names from the ability to remain nearly motionless while in flight. The adults are also known as flower flies as they are commonly found on and around flowers from which they get both energy-giving nectar and protein rich pollen. The larvae are aquatic filter-feeders of the long-tailed type.
Xylota segnis, The Brown-toed Forest Fly, is a common species of hoverfly.
Syritta pipiens, sometimes called the thick-legged hoverfly, is one of the most common species in the insect family Syrphidae. This fly originates from Europe and is currently distributed across Eurasia and North America. They are fast and nimble fliers, and their larvae are found in wet, rotting organic matter such as garden compost, manure, and silage. The species is also commonly found in human-created environments such as most farmland, gardens, and urban parks, wherever there are flowers. This species is an important part of its native ecosystem as adult Syritta pipiens flies are critical pollinators for a variety of flowering plants and the species supports parasitism by various parasitic wasp species. Thus, they play an important role in environmental functionality, and can serve as bio-indicators, in which their abundance can reflect the health of the environment. Syritta pipiens looks like many predatory hoverfly species, yet is not predatory.
Spilomyia sayi, the Four-lined Hornet Fly, is a fairly common species of syrphid fly. This species is found from western Canada to northeastern North America. Hoverflies get their names from the ability to remain nearly motionless while in flight. The adults are also known as flower flies for they are commonly found around and on flowers, from which they get both energy-giving nectar and protein-rich pollen. The larvae are known as the short-tailed larvae, suited for moist areas such as rot holes of trees. It is a wasp mimic.
Eristalinus aeneus, the common lagoon fly, is a fairly common species of syrphid fly observed throughout the United States and Europe. Hoverflies can remain nearly motionless in flight. The adults are also known as flower flies for they are commonly found on flowers, from which they get both energy-giving nectar and protein-rich pollen. The larvae occurs along shorelines in rock pools containing large amounts of decaying seaweed.
Eristalinus sepulchralis is a European species of hoverfly. The species are brownish-white from a close up, and look like a wasp. From a distance though, they are yellowish-black coloured, and look like a bumble bee. The species can be found throughout Europe in the Baltic states, North Europe, Central, Southern and Western Europe and across the Palaearctic to Kamchatka, Japan, China and India. Finland, Great Britain, Hungary, Ireland, Norway, and the Netherlands.
Merodon equestris is a Holarctic species of hoverfly. Like many other hoverflies it displays a colouration pattern similar to a stinging insect as an evolutionary defense mechanism. Other syrphid bee mimics are Mallota, Arctophila, Criorhina, Pocota and Brachypalpus. Merodon species are distinguished from these by the very strong hind femora, which bear a large triangular projection on the underside near the tip. It flies in low vegetation while the other bumblebee mimics prefer higher vegetation layers.
Sericomyia chrysotoxoides ,, the Oblique-banded Pond Fly , is a common species of syrphid fly observed across the eastern half of North America and in the Rocky Mountains. Syrphid flies are also known as Hover Flies or Flower Flies because the adults are frequently found hovering around flowers from which they feed on nectar and pollen. Adults are 9.6–1,315.3 mm (0.38–51.78 in) long, black with yellow bands, less prominent in the male. The larvae of this genus are known as rat tailed maggots for the long posterior breathing tube.
Eristalis cryptarum is a holarctic species of hoverfly. Known as the bog hoverfly or bog-dwelling drone fly, it is a bog specialist but may occur in other wetlands. Its larvae are assumed to live in peat that is saturated with water, such as that found in these boggy areas. The female has been observed depositing eggs on and close to very fresh cow dung along oligotrophic seepages in moorland.
Sericomyia militaria, commonly known as the narrow-banded pond fly, is a common species of syrphid fly observed across northern North America. Syrphid flies are also known as Hover Flies or Flower Flies because the adults are frequently found hovering around flowers from which they feed on nectar and pollen. Adults are 11.7–17.1 mm (0.46–0.67 in) long, mostly black with narrow yellow abdominal markings. The larvae of this genus are known as rat tailed maggots for the long posterior breathing tube.
Brachypalpus valgus is a species of hoverfly found in Europe.
Sericomyia transversa , the Yellow-spotted Pond Fly , is an uncommon species of syrphid fly observed in northeastern North America.. Hoverflies can remain nearly motionless in flight. The adults are also known as flower flies for they are commonly found on flowers, from which they get both energy-giving nectar and protein-rich pollen. The larvae of this genus are known as rat tailed maggots for the long posterior breathing tube.
Brachyopa vacua , the Yellow-spotted Sapeater, is a rare, species of syrphid fly. It has been observed in Canada, Alaska and northern United States. Hoverflies get their names from the ability to remain nearly motionless while in flight. The adults are also known as flower flies for they are commonly found around and on flowers from which they get both energy-giving nectar and protein-rich pollen. Larvae for this genus are of the rat-tailed type. B.vacua larvae were collected from the juice of decaying fungi under dead bark.
Mallota cimbiciformis is a Palearctic hoverfly.
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