small flies

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                                  Small Flies 

 

The family flies, which for the most part consist of very small flies, I have put on a separate page. It's an alfabetical sequence. I have used the scientific (Latin) name of the families.

Miner flies (Agromyzidae)
Miner flies. The larvae mainly mine leaves and stems of herbaceous plants. But they can also occur in roots and seeds.
A page about Miner flies from Joke van Erkelens.

Agromyza ferruginosa. Family Agromyzidae.
Agromyza ferruginosa. Family Agromyzidae.

The larva of Agromyza ferruginosa mines on plantsof the borage family (Boraginaceae) like Anchusa, lungworts and comfrey. A number of eggs are deposited at the underside of the leaf. First the larvae eat a communual corridor. Than they make a large brown blotch.
Here information..
Determined by Milos Cerny from Czech Republic. Thanks Milos.
I haven't measured the fly. I think about five mm. It is striking orange.    Europe.

Agromyza ferruginosa. Family Agromyzidae. Photos 3-7-2012.

Napomyza sp. Familie miner flies (Agromyzidae)
Napomyza sp. Familie miner flies (Agromyzidae).
Very small miner flies. About 2 - 3 mm. I had asked about these flies on Diptera and received answer from Miloš from the Czech Republic:
I think the same as the fly on the site
http://aramel.fre...15-7.shtml Phytobia lateralis. But I couldn't find information about this species.  
Answer: The fly on the site and this specimen isn't Cerodontha (Poemyza) lateralis, rather is it Napomyza sp.
Miloš  
Maybe Napomyza gymnostoma from Central Europe. This fly can be harmful. 

Napomyza sp. Familie miner flies (Agromyzidae) Photos 3-7-2011.

Grassflies (Chloropidae) 
Although there are larger flies, most are very small. 1 to 4 mm. Often yellowish, greenish. The larvae often feed on living or dead organic matter. Some live on flowers and stems of grasses and they can be harmful.

Grassfly spec. Thaumatomyia spec. Family Grassflies (Chloropidae).
Grassfly spec. Thaumatomyia spec. Family Grassflies (Chloropidae).
 
The small flies in this family are very similar. (Therefore spec.) These flies are yellow with black stripes, but there are also flies with other colours.
These photos were taken in March. 
The larvae of the grass fly live in grass stems.
Length: 2, 3 mm. March - November.

Grassfly spec. Thaumatomyia spec. Family Grassflies (Chloropidae). Photos 15-03-2012.


Meromyza spec. Family Grassflies (Chloropidae).                   

There are like always similar species. 


Meromyza-b3-16-6-2011.jpg (72173 bytes)  Photos 14-6-2011 and 16-6-2011 Together with a carpet beetle.

Oscinella Family Grassflies (Chloropidae)     
Oscinella. Family Grassflies (Chloropidae).     

Frit Fly - Oscinella frit is possible. But it is very similar to Oscinella pulsilla Meigen and O. grossa  Mesnil. This species is black and shiny.
About 3 mm. The larvae feed on various plants of the grass family. 

 Oscinella Family Grassflies (Chloropidae)       Oscinella Family Grassflies (Chloropidae)       Photo's 13-9-2011 Oscinella Family Grassflies (Chloropidae)       Here on a chestnut. So you can see how small they really are.

Drosophilidae 
Very small flies, but there are also some larger species. Length 1.5 to 7 mm. The larvae of most species live in decaying organic material. Such as fruit, mushrooms. However, there are mineerders and predators.

Drosophila, maybe Drosophila subobscura. Family Drosophilidae Drosophila, maybe Drosophila subobscura. Family Drosophilidae

Here on a watermelon. After the melon had been lying outside for one day, a lot of these flies appeared .


Drosophila, maybe Drosophila subobscura. Family Drosophilidae

Photos 2-4-2011

Shore flies, brine flies  (Ephydridae)
The flies of the family Ephydridae are often found near seashores and inland waters. They feed on algae, bacteria. They are tiny flies. However there are also lager members of the family.      

Athyroglossa glabra Family shore flies, brine flies (Ephydridae). 
Athyroglossa glabra. Family shore flies, brine flies (Ephydridae). 
 
The Athyroglossa glabra in this picture is about 2 to 3 mm. It spreads its front legs in a characteristic way. A shiny black fly with yellow on its legs. Photos 2-3-2011.

Athyroglossa glabra Family shore flies, brine flies (Ephydridae).   Athyroglossa glabra Family shore flies, brine flies (Ephydridae).  Photos 2-3-2011

Limnellia quadrata. Family shore flies, brine flies (Ephydridae). 

 

Limnellia quadrata. Family shore flies, brine flies (Ephydridae). 

The Limnellia quadrata in this picture is about 3 mm. The thorax and wings have a distinctive pattern. If you see the fly, you don't notice. For it is too small.

Limnellia quadrata. Family shore flies, brine flies (Ephydridae).   Limnellia quadrata. Family shore flies, brine flies (Ephydridae).  Photos 23-02-2012.

Notiphila spec. Family shore flies, brine flies (Ephydridae). 

 

Notiphila spec. Family shore flies, brine flies (Ephydridae). 

This gray-brown fly I noticed, when I took plants from the pond. I see them only near the pond.
About 5 mm.

Notiphila spec. Family shore flies, brine flies (Ephydridae).   Photos 30-6-2012.

Hybotidae
Family members 1 mm to about 6 mm. There are three subfamilies. Namely Hybotinae, Ocydromiinae and Tachydromiinae. The arista is long. Slender legs. They often run back and forth. So they are difficult to photograph. They are predators of small insects.

Ocydromia glabricula. Subfamily Ocydromiinae. Family Hybotidae. Ocydromia glabricula. Subfamily Ocydromiinae. Family Hybotidae.

Striking black and orange. 
Length about 3-4,5 mm.

Ocydromia glabricula. Subfamily Ocydromiinae. Family Hybotidae. Photos 19-10-2012.

Platypalpus spec. Subfamily Tachydromiinae. Family Hybotidae. Platypalpus spec. Subfamily Tachydromiinae. Family Hybotidae.

Length about 3-4 mm.

Platypalpus spec. Subfamily Tachydromiinae. Family Hybotidae. Photos 30-12-2011

Tachydromia spec. Subfamily Tachydromiinae. Family Hybotidae. Tachydromia spec. Subfamily Tachydromiinae. Family Hybotidae.

In the Netherlands there are twelve native species.   
Length 3 mm.

Tachydromia spec. Subfamily Tachydromiinae. Family Hybotidae.
Tachydromia spec. Subfamily Tachydromiinae. Family Hybotidae.  
Photos 16-10- 2012. Last with prey.
Tachypeza nubila. Subfamily Tachydromiinae. Family Hybotidae. Tachypeza nubila. Subfamily Tachydromiinae. Family Hybotidae.

Lengt about 3-4 mm.

Tachypeza nubila. Subfamily Tachydromiinae. Family Hybotidae. Photos 24-9-2012.

Lauxaniidae 
The flies can be 2 to 7 mm. In the family are many different species. Matt, but also glossy. Black, but also colored. Larvae of this family live in different places. In fungi, decaying plants, in bird nests, sometimes they are leafminers.

Minettia longipennis FamilyLauxaniidae
Minettia longipennis. FamilyLauxaniidae.

In May I see many Minettias in the garden. A dark fly with very light wings.

Minettia longipennis FamilyLauxaniidae Minettia longipennis FamilyLauxaniidae Photos 24-6-2011 and 18-5-2009 

Lauxaniidae
Lauxaniidae.   

I don't know the species. 


Photo 11-6-2011    .Lauxaniidae Photos 18-10-2008
Minettia fasciata. Family Lauxanidae.    
Minettia fasciata. Family Lauxanidae.                                                                                                           



     Minettia fasciata. Family Lauxanidae.         Photos 12-6-2011.

Minettia inusta. Family Lauxanidae.    
Minettia inusta. Family Lauxanidae.                                                     

Recognizable by the dark border and stripe on the wings.
Length about 4 mm. Europe

     Minettia inusta. Family Lauxanidae.           Photos 14-6-2011.

Calliopum spec Family Lauxaniidae 
Calliopum spec. Family Lauxaniidae. 

The two most common very similar species are Calliopum simillimum and Calliopum aeneum. The stripes on the eyes are striking. 

Calliopum spec Family Lauxaniidae  Calliopum spec Family Lauxaniidae  Photos 2-10-2010

 

Lance flies, Lonchaeidae 
Small but robustly built dark flies 3 to 6 mm. Larvae: Usually mold, under the bark of dead trees. But some species feed on other plant material or even bait.

Lance fly, Lonchaeidae   
Lance flies, Lonchaeidae 

There are some very similar flies.
This fly has a beautiful shiny metallic body.

Lance fliy, Lonchaeidae Lance fly, Lonchaeidae Foto's 5-5-2010 and 12-8-201

Lonchopteridae.
Slender flies with pointed wings.  Length 2 to 5 mm. Long legs. Larvae live in decaying organic material. Often in damp places.

Lonchoptera lutea. Family Lonchopteridae. Lonchoptera lutea. Family Lonchopteridae.

The colour varies from
yellow to dark brown.
The larva is
dorsally flattened
Europe and parts of Asia.

Photo 23-03-2012
Lonchoptera spec. Family Lonchopteridae. Lonchoptera spec. Family Lonchopteridae. 

It isn't possible to indentify this fly. The photos are taken some years ago.

Lonchoptera spec. Family Lonchopteridae. Photos 6-10-2008

Pallopteridae
A characteristic of many flies in this family is gray silvery white spot on the head. Many species have spotted wings. They often live in shady places. Size of the different species: 2.5 mm - 7 mm.We know little about the larvae. The larvae live under the bark of trees as predators of larvae of bark beetles and longhorn beetles. But there also seem to be species on flower heads or in stems of Umbelliferae which feed on plant juices.

Palloptera umbellatarum Family Pallopteridae
Palloptera umbellatarum. Family Pallopteridae.

I found this fly in the scullery. It was just sitting on the paper when I took it out.

Length about 4 mm.
Europe

    Palloptera umbellatarum Family Pallopteridae    Palloptera umbellatarum Family Pallopteridae  Photos 10-7-2010.

Palloptera muliebris. Family Pallopteridae. Palloptera muliebris. Family Pallopteridae.

This fly was also in our scullery. It often has its wings spread like the peacock flies, but it can fold the wings on its body like the Palloptera umbellatarum. The wing pattern is distinctive. The clear middle area of the wings is surrounded by light and dark brown markings. 
Length about 5 mm. 
May - October. Europe.
Photo 11.11.2012. Late in the year.

Phorid flies (Phoridae)
Flies from 0.5 mm to 6 mm. Striking are the circular antennas with a long arista and the veins of the wings with the thick upper veins. The larvae live under different circumstances. (water, organic matter, parasitic ...)

Phorid fly spec. Family Phorid flies (Phoridae) Phorid fly spec. Family Phorid flies (Phoridae)

I don't know the species. It was caught in a spider thread. The long legs have therefore a somewhat strange position. After I had taken the photo, I released it as a reward.
Photo 15-1-2012

Phorid fly spec. Family Phorid flies (Phoridae) Bochelvlieg spec. Familie Bochelvliegen (Phoridae).

If you see a small black fly, which runs to and fro on a leaf, you have great probability that it is family of this species.

Foto 14-4-2012

Flat-footed flies (Platypezidae)
Flies from 1.5 mm to 6 mm. Slender or stocky flies (like Protoclythia) Short legs. The male (sometimes female) have enlarged, flattened tarsus segments.

Platypeza spec. (probably) Family flat-footed flies (Platypezidae). male
Platypeza spec. (probably) Family flat-footed flies (Platypezidae). male

The black fly has large bright orange eyes. You can see them walking back and forth on leaves.
In this family the males differ much in colour with females. But the males of many different species are very similar. It is therefore often not possible to determine.

Platypeza spec. (probably) Family flat-footed flies (Platypezidae). male  Photos 11-10-2012. Platypeza spec. (probably) Family flat-footed flies (Platypezidae). female Female Platypeza spec. 22-10-2012.

Protoclythia rufa. Family flat-footed flies (Platypezidae).
Protoclythia rufa. Family flat-footed flies (Platypezidae).

The M vein of the wing is forked. Approximately 3 mm. 

Protoclythia rufa. Family Platypezidae   Photos 2-10-2010

Black scavenger flies or ensign flies (Sepsidae) 
The larvae develop on dung or decaying plant and animal material.  A beautiful shining black fly with a body shaped like an ant's.

Black scavenger fly or ensign fly Sepsis spec. Black scavenger flies or ensign flies (Sepsidae)   Black scavenger fly or ensign fly Sepsis spec. Family Black scavenger flies or ensign flies (Sepsidae). 

Lesser dung fly (Sepsis fulgens) is is the most common species. It has a wing-waving habit. On the wing a dark spot.
German: Schwingfliegen 

  Black scavenger fly or ensign fly Sepsis spec. Black scavenger flies or ensign flies (Sepsidae)   Black scavenger fly or ensign fly Sepsis spec. Black scavenger flies or ensign flies (Sepsidae)  Photos 9-5-2009, 2-4-2011

Nemopoda nitidula.  Family Black scavenger flies or ensign flies (Sepsidae).  Nemopoda nitidula. Family Black scavenger flies or ensign flies (Sepsidae). 

A thougt they were Themira spec. Larger species without the dark spot on the wings. 
But there is another species with wings without dark spots. Namely Nemopoda nitidula. Thanks Niels-Jan. Look at
forum waarneming. (in Dutch. I'm sorry.)

  Nemopoda nitidula.  Family Black scavenger flies or ensign flies (Sepsidae).  Nemopoda nitidula.  Family Black scavenger flies or ensign flies (Sepsidae).  Photos 29-4-2009

Sepsis punctum. Familie wenkvliegen, wappervliegen, swingvliegen (Sepsidae).  Sepsis punctum. Familie wenkvliegen, wappervliegen, swingvliegen (Sepsidae). 

Also larger. Striking orange red.

Sepsis punctum. Familie wenkvliegen, wappervliegen, swingvliegen (Sepsidae).  Photos 27-3-2012.

  

Peacock flies, Fruit flies (Tephritidae)
Flies of another family
Drosophilidae are also called "fruit fly". Tephritidae have beautiful drawn wings. The females lay eggs in plants using their "drill". A site with more species of Tephritidae: Tephritidae.

Anomoia purmunda. Family Peacock flies, fruit flies (Tephritidae).
Anomoia purmunda. Family Peacock flies, fruit flies (Tephritidae).
The base of the wing is dark. In the upper part you can see dark lines.
Females drill holes in the fruit of the hawthorn and other members of the rose family, which they lay their eggs.
Lengte 4 - 5 mm.   April - September.
German: Weißdorn-Bohrfliege

Anomoia purmunda. Family Peacock flies, fruit flies (Tephritidae).  Anomoia purmunda. Family Peacock flies, fruit flies (Tephritidae). Photos 12-8-2010. Anomoia purmunda. Family Peacock flies, fruit flies (Tephritidae).  Anomoia purmunda. Family Peacock flies, fruit flies (Tephritidae). Photos 19-8-2011. 
Rhagoletis meigenii Family Peacock flies, fruit flies (Tephritidae) Rhagoletis meigenii. Family Peacock flies, fruit flies (Tephritidae).

In the Netherlands there are 5 Rhagoletis species. R. altenera, R. batava R. cerasi, R. indifferens rare.  Wereldwijd zijn het er wel vijftig.

Features: Pre-apical transverse band shorter, Runs from R4 +5 to the trailing edge of the wing. Yellow hairy head.
It can be found on barberry.

Length about 4 mm.
April - September

Photo 27-6-2011

Chetostoma curvinerve Family Peacockflies, fruit flies (Tephritidae)
Chetostoma curvinerve. Family Peacockflies, fruit fliesTephritidae).

According to John Smith: The biology of Chetostoma curvinerve is still unknown, suspected that the species lives as a parasite in the galls of sawflies on honeysuckle, Lonicera, probably also on alien and planted honeysuckles. I have in my garden the wild honeysuckle.
There are not many observations. Probably, this is the most northerly sighting of this species (2011).
It is spread throughout the Mediterranean area. In 2000 was the first sighting in the Netherlands.
Length about 6 mm. For a peacockfly it is a very large fly. April-September
    Chetostoma curvinerve Familie Boorvliegen (Tephritidae)    Chetostoma curvinerve Familie Boorvliegen (Tephritidae) Photos 17-4-2011

Selderijvlieg (Euleia heraclei) Familie Boorvliegen (Tephritidae).
Euleia heraclei
. Family Peacockflies, fruitflies (Tephritidae).

This fly is shiny black or shiny brown. Sometimes with a yellow scutellum. The legs and head are yellow.
The larvae mine in various plants of the carrot or parsley family (Apiaceae), such as giant hogweed (Heracleum), but also in celery, parsley and parsnip. That may damage them. The pupae overwinter in the soil.
Length 4 to 6 mm. Europe, Central Asia.

Photo 16-4-2012. Euleia heraclei. Family Peacockflies, fruitflies (Tephritidae). Photo 28-92012.
This Euleia heraclei looks very different. The markings on the wings are the same.

Opomyzidae
Slender flies. 2 to 5 mm. Colours are different. The larvae live in the stem of grass. Sometimes they are harmful.

Opomyza germinationis or Opomyza petrei. Family Opomyzidae Opomyza germinationis or Opomyza petrei. Family Opomyzidae

The pattern on the abdomen of the two species is different. The wings are mottled. Approximately 3 mm. The larvae live in grass stems.

Opomyza germinationis or Opomyza petrei. Family Opomyzidae  Opomyza germinationis or Opomyza petrei. Family Opomyzidae   Photos 25-9-2010             

Geomyza tripunctata Family Opomyzidae Geomyza tripunctata Family Opomyzidae

I saw this fly walking on an euphorbia in the garden. There are three spots on the wings. Hence the name "tripunctata".
Eggs are laid at the base of grasses. The grass shoots and young leaves are eaten by maggots. They pupate after about 30 days.
Length up to 4 mm. May to November.

Geomyza tripunctata Family Opomyzidae Photos 16-10-2011

Small dung flies, lesser dung flies or lesser corpse flies (Sphaeroceridae)
There are very small flies in this family. From 0.7 to 5.5 mm. Robust black flies. The first segment of the tarsus of the hind leg is swollen. The larvae live in decaying organic matter in dung and droppings. They don't fly very well..

Small dung fly.  Family Sphaeroceridae. Family Small dung flies, lesser dung flies or lesser corpse flies (Sphaeroceridae).
Small dung fly.  Family Sphaeroceridae. Family Small dung flies, lesser dung flies or lesser corpse flies (Sphaeroceridae).
 
 
More information

Small dung fly.  Family Sphaeroceridae. Family Small dung flies, lesser dung flies or lesser corpse flies (Sphaeroceridae).

Lotophila atra, maybe!! Subfamily Copromyzinae. Family Small dung flies, lesser dung flies or lesser corpse flies (Sphaeroceridae).
Lotophila atra, maybe!! Subfamily Copromyzinae. Family Small dung flies, lesser dung flies or lesser corpse flies (Sphaeroceridae).

A shiny dark fly with red eyes of about 3 mm, which can be found on our compost heap.
According to Paul Beech: Copromyzinae. Perhaps Lotophila atra, but if you can get a specimen for me I can tell you more / for certain.
I did not sent fly. It's therefore uncertain. Thanks Paul!
 
Lotophila atra, maybe!! Subfamily Copromyzinae. Family Small dung flies, lesser dung flies or lesser corpse flies (Sphaeroceridae).
Lotophila atra, maybe!! Subfamily Copromyzinae. Family Small dung flies, lesser dung flies or lesser corpse flies (Sphaeroceridae).  You can see the swollen first segment of the tarsus of the hind leg. In the last photo you can see the swollen first segment of the tarsus of the hind leg. Photos 8-4-2013.

A site that explains the construction of a fly: ento.csiro.au/biology/fly/  (click on atlas)

A beautiful site with much information:   The Garden Safari
Vliegen en Muggen van J.A. van Erkelens  A site about flies with many beautiful photos of Joke van Erkelens.
Informatie about flies: 
http://www.diptera.info/news.php
Informatie about wasps and bees:  http://www.forum.hymis.de

I want to thank everyone, who has helped me (waarneming.nl) to identify. In particular, Joke van Erkelens, Robert Heemskerk, Mark van Veen, Gerard Pennard, Niels-Jan Dek and Han Endt. With the determination of Tachinidae I have had much help from Theo Zeegers and Chris Raper. (On diptera)

 Nederlands / Dutch                                                                           

 

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Subpage flies:  Tachinidae   Blow-flies (Calliphoridae)   House flies (Muscidae)  Soldierflies (Stratiomyidae)  Root-Maggot Flies (Anthomyiidae)  Small flies   Gnats                   
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