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Milichiella argentea
ITIS Name
Milichiella argentea
Submitted by Irina Brake on Sat, 2011-01-29 19:59- 58 reads
Classification: Milichiella argentea
Nomenclature & Description
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Taxon Description
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Species description
Milichiella argentea
Edited by Irina Brake on Sun, 2009-08-02 18:03
species name description:
Milichiella argentea
year:
1805
Diagnosis:
Differs from congeners in the combination of brown microtomentose mesonotum, 2+1 dc, calypter with brown margin, black legs, and silvery microtomentose male T2-5
orbital setae [number]:
2
frontal setae [number]:
2+0.5 lower frontal seta [inclination]:
medioclinate
frontal width:
2.7
basoflagellomere [color]:
black
arista [length]:
3.7 arista [length of pubescence]:
very short
frons [color]:
subshiny black, ocellar triangle and orbital plates shiny black
palpus [color]:
black
male posterior eyemargin [shape]:
wide notch (5-6oc) and narrow emargination (1-2oc)
lunule [color]:
black
face [color]:
brown or greyish microtomentose
male thorax [color]:
mesonotum brown microtomentose but less so than scutellum, scutellum and pleura brown except for shiny spots on an- and katepisternum
dc [number]:
2+1
prsc [number]:
2
pprn [number]:
1+0.8
prs [number]:
1+0.7
kat [number]:
2
prsc [length]:
1
seta between prsc and dc:
present
wing [color]:
hyaline
calypter [color]:
hyaline with brown margin
male halter [color]:
black
vein M sections:
2.1
vein R4+5 and M:
converging (2.2)
vein R1-spot [presence]:
weak
tibial organ [presence]:
?
legs [color]:
black
forefemur setulose [presence]:
slightly stronger
male abdomen [color]:
T2-5 silvery microtomentose
male abdomen [chaetotaxy]:
T2 anterolateral corner mostly with 2 lines of setae but triangular extension with more setae, T2-5 with one row of setulae at posterior margin
male sternite 5 [shape, chaetotaxy]:
1.3x as long as wide, 1.9x as long and 2.6x as wide as S4, setulose, posterior margin sliightly indented
abdominal triangle [presence]:
present
setae in anteroventral corner of epandrium [number]:
2
setae on subepandrial plate [number]:
1
surstylus [chaetotaxy]:
with 3-5 setulae along anterior margin moving medially basally
surstylus [structure of lateral surface]:
smooth
surstylus [shape]:
0.8x as long as epandrium high, dilated posteroapically (1.6x), 3.4x as long as wide
female posterior eyemargin [shape]:
notch (4-5oc) and narrow emargination (1)
female halter [color]:
yellow
female thorax [color]:
mesonotum brown microtomentose but less so than scutellum, scutellum and pleura brown except for shiny spots on an- and katepisternum
female abdomen [color]:
T2-4 brown microtomentose dorsally, T5 shiny except for microtomentose anterior margin
wing length [mm]:
2.4
special characters:
palpus relatively wide
male specimen studied:
x
female specimen studied:
x
remarks:
The type specimen was last seen by Becker (1907) in the Kiel Museum, but only parts of the thorax, halter, calypter and one wing were left. This specimen is now apparently lost. The species is not identifiable from the description, but Becker found a male from New Guinea in HNHM, which he identified as M. argentea based on the description and comparison with the type. There are actually 4 males and not just one in the HNHM and the species description is based on these specimens. In many collections the name M. argentea has been used for a number of different species with a silvery abdomen. All identifications should therefore be treated with caution.
Becker used the above mentioned specimens from New Guinea to declare the synonymy between M. melaleuca (probably based on Loew's description) and M. argentea. However, he neglected the difference in wing colour and M. melaleuca is therefore resurrected from synonymy with M. argentea.
Milichiella argentea was collected in Malaise traps.
OR:
x
Distribution:
Sulawesi, Moluccas and New Guinea
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- 66 reads
Classification: Milichiella argentea
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Bibliography
Citation
| Name as cited | Keywords | Authors | Year | Title | Page | Associated taxa |
|---|---|---|---|---|---|---|
| Milichiella argentea | catalog, Australasian/Oceanian | Sabrosky, CW | 1989 | 78. Family: Milichiidae | 557 | |
| Milichiella argentea | diagnosis, discussion, probably synonym of Milichiella melaleuca, type information | Becker, T | 1907 | Die Dipteren-Gruppe Milichiinae | 511, 536 | |
| Milichiella argentea | catalog, Oriental | Sabrosky, CW | 1977 | Family Milichiidae | 273 | |
| Milichiella argentea | Seychelles | Bezzi, M | 1908 | Ditteri Eritrei raccolti dal Dott. Andreini e dal Prof. Tellini. Parte Seconda (1) | 193 | |
| Lobioptera argentea | discussion | Mik, J | 1887 | Ueber Dipteren. I. Drei neue österreichische Dipteren | 180 |
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