Milichiella aethiops

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ITIS Name

Milichiella aethiops

Rank: 
Species
Unit Name 1: 
Milichiella
Unit Name 2: 
aethiops
Usage: 
valid
Authors: 
(Malloch, 1913)
Page number: 
133
Other Information: 
Comb. Brake 2009
BDWD_rec_number: 
40802
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Species description

Milichiella aethiops

species name description: 
Milichiella aethiops
author: 
Malloch
year: 
1913
Diagnosis: 

Differs from other members of the aethiops-group in the shiny black mesonotum

orbital setae [number]: 
2
frontal setae [number]: 
2+0.6+0.6
lower frontal seta [inclination]: 
medioreclinate
frontal width: 
1.8
basoflagellomere [color]: 
black
arista [length]: 
3.1
arista [length of pubescence]: 
very short
frons [color]: 

frons subshiny to shiny black, ocellar triangle subshiny, orbital plates shiny black

palpus [color]: 
black
male posterior eyemargin [shape]: 
without notch, gradually separating from head margin ventrally
lunule [color]: 
brown
face [color]: 
male silverygrey microtomentose, female brown
male thorax [color]: 

mesonotum shiny black, scutellum and pleura slightly brown microtomentose, except for shiny spot on an- and katepisternum

dc [number]: 
2 (var.: 3+1)
prsc [number]: 
1
pprn [number]: 
1
prs [number]: 
1+0.7+row
kat [number]: 
2+0.8
prsc [length]: 
1
seta between prsc and dc: 
present
wing [color]: 
hyaline, veins yellow
calypter [color]: 
white
male halter [color]: 
black
vein M sections: 
2.2
vein R4+5 and M: 
converging (1.7-2.7)
vein R1-spot [presence]: 
absent
tibial organ [presence]: 
absent
legs [color]: 
black
forefemur setulose [presence]: 
normal
male abdomen [color]: 
T2-4 brown microtomentose except for shiny posterolateral corners, T5 shiny black except for microtomentose anterior margin
male abdomen [chaetotaxy]: 
T2 anterolateral corner with more than 3 lines of setae, T2-5 setulose
male sternite 5 [shape, chaetotaxy]: 
about 1.2x as long as wide, 1.4x as long and 0.9x as wide as S4, roughly rectangular with posterior margin indented, posterior 3/4 setulose
abdominal triangle [presence]: 
weak
male terminalia, other characters: 

apical seta on cercus as long as longest epandrial seta

setae in anteroventral corner of epandrium [number]: 
0
setae on subepandrial plate [number]: 
1
surstylus [chaetotaxy]: 
without setulae but with relatively strong sensilla along margin, except for bare posteroapical part
surstylus [structure of lateral surface]: 
smooth
surstylus [shape]: 

0.7x as long as epandrium high, slightly dilated posteroapically (1.4x), 2.5x as long as wide

female posterior eyemargin [shape]: 
without notch, gradually separating from head margin ventrally
female halter [color]: 
yellow
female thorax [color]: 

mesonotum shiny black, scutellum and pleura slightly brown microtomentose, except for shiny spot on an- and katepisternum

female abdomen [color]: 
T2-4 brown microtomentose, T5 shiny
wing length [mm]: 
2.4
body length [mm]: 
2.5
special characters: 
one shorter prs anterior to main prs
male specimen studied: 
x
female specimen studied: 
x
remarks: 

The holotype and several other specimens have 2 dc, but there is a series of specimens from Mexico with 3+1 dc. Milichiella aethiops was reared from wild tuber and cactus. Specimens were collected in dry stream beds and by using Malaise traps

NEA: 
x
Distribution: 

North America from Washington State to Georgia, south to middle Mexico and Florida

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