Description of holotype of Chironomus februarius (in prep)

Proposed holotype adult male: Echuca, VIC, AV.47.7, coll. 6.i.1969, Em#14, male 10:
Head, antennae and mouth parts varying from light to dark brown.  AR 3.13, frontal tubercles present; palp proportions (segs. 2-5) (micron): 50 : 250 : 285 : 350.
Thorax has a greenish grey, greyish or brown background; stripes, postnotum and sternopleuron dark grey or brown; thorax pruinose
. Wings with anterior veins hardly darker than posterior; crossvein slightly darkened. Wing length ?? Legs yellowish brown or yellowish green without definite markings.
Leg length and proportions (micron)(not all segments measured):

 
Fe
Ti
Ta1
Ta2
Ta3
Ta4
Ta5
LR
F/T
BR
PI
1420
1250
2100
1080
910
740
395
1.68
1.14
2.0
PII
1535
1475
795
-
-
-
-
0.54
1.09
 
PIII
1645
1645
1305
-
-
-
-
0.70
0.88
 

Male abdomen variable in coloration, may be like that of C. cloacalis, or may have a dark band across the centre of each segment.
About 7.2 (5-11) setae near centre of tergite IX; SVo of the D-type, closest to Strenzke's figure h.

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Created: 15 May 2020
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