Milichiella argyrogaster

species name

author: 
Perris
Diagnosis: 

Differs from congeners in the combination of 2+1 prsc with middle prsc slightly anterior to middle of mesonotum, 1 pprn, calypter hyaline with light brown margin, black legs, silvery microtomentose male T2-5, in the shape and shorter setae of the surstylus

species name description: 
Milichiella argyrogaster
year: 
1876

Description Male: Head

arista [length]: 
3.5
arista [length of pubescence]: 
very short
basoflagellomere [color]: 
black
face [color]: 
?
frons [color]: 

subshiny black, ocellar triangle and orbital plates shiny black

frontal width: 
2.5
lower frontal seta [inclination]: 
medioclinate
frontal setae [number]: 
2
lunule [color]: 
black
male posterior eyemargin [shape]: 
notch (7oc) and emargination (2oc)
orbital setae [number]: 
2
palpus [color]: 
black

Description Male: Thorax

dc [number]: 
3+1
kat [number]: 
3
male thorax [color]: 

sligthly to normally brown microtomentose, scutellum and pleura brown microtomentose

pprn [number]: 
1
prs [number]: 
1+0.8+row setae
prsc [number]: 
2+1, middle prsc slightly anterior to middle of mesonotum
prsc [length]: 
1
seta between prsc and dc: 
present

Description Male: Wing

calypter [color]: 
hyaline with light brown margin
male halter [color]: 
black
vein M sections: 
2.2
vein R1-spot [presence]: 
absent
vein R4+5 and M: 
converging (2.4)
wing [color]: 
hyaline, veins light brown

Description Male: Legs

forefemur setulose [presence]: 
strongly
legs [color]: 
black except for brown basitarsi
tibial organ [presence]: 
absent
Image: 

Description Male: Abdomen

abdominal triangle [presence]: 
present
male abdomen [color]: 
T2-5 silvery microtomentose
male abdomen [chaetotaxy]: 
T2 anterolateral corner with 1-2 lines of setae, T2-5 posterior margin with 1 row of setulae
male sternite 5 [shape, chaetotaxy]: 
about as long as wide, ?x as long and 2.7x as wide as S4, nearly heartshaped, setulose

Description Male: Terminalia

male terminalia, other characters: 

apical seta on cercus as long as longest epandrial seta

setae on subepandrial plate [number]: 
1
surstylus [chaetotaxy]: 
with line of setae near anterior margin
surstylus [shape]: 

about as long as epandrium high, bent posteriorly, dilated apically (2.6x), apex flat, 6.7x as long as wide

surstylus [structure of lateral surface]: 
smooth

Description Female: Head

female posterior eyemargin [shape]: 
notch and emargination

Description Female: Thorax

female thorax [color]: 

slightly brown microtomentose

Description Female: Wing

female halter [color]: 
yellow

Description Female: Abdomen

female abdomen [color]: 
T2-5 brown microtomentose

Description Adult: Special characters

special characters: 
2+1 prsc with middle prsc slightly anterior to middle of mesonotum

Measurements

body length [mm]: 
3.5
wing length [mm]: 
3.0

Specimen information

female specimen studied: 
x
male specimen studied: 
x

Notes

remarks: 

Milichiella argyrogaster was described from 3 specimens. There is one probable type in MNHNP. The specimen fits the description and appears to be very old, however, both the locality label as well as the identification label are written by S

Distribution

Distribution: 

France, Greece

PA: 
x
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith