Oriental Chironomus: C. uttarpradeshensis Singh & Kulshrestha

C. uttarpradeshensis Singh & Kulshrestha 1976

Adult:

Redescribed by Maheshwari, 1989, who notes that the original description actually described the female of C. bharati by mistake.

Male:
Body length 5.29 (5.19-5.40) mm. Wing length 2.80 mm; VR 1.09.
Yellowish brown, tibial apex black, abdominal terga II-V with black marking.
Hypopygium light-brown.
Head - AR 2.6; frontal tubercles 41.5 µm; palp proportions 14 : 13 : 33 : 20 : 40 : P5/P4 2.0, P5/P3 1.21.
Leg lengths (microns) and proportions:

	Fe	Ti	Ta1	Ta2	Ta3	Ta4	Ta5	LR	F/T	Ta5/Ti
PI	1080	960	1590	840	600	450	240	1.63	1.13	0.25
PII	1240	1140	670	380	270	190	140	0.63	1.09
PIII	1380	1440	1030	600	480	290	170	0.72	0.96

Male hypopygium of C. utterpradeshensis (Madeshwari, 1989)

Anal point rounded, 97 µm long and reaching beyond the Inferior volsella. Gonostylus curved and only moderately swollen, narrowing gently over about posterior third. Superior volsella sickle shaped, closest to E(h) of Strenzke 1959. Inferior volsella with 13-17 recurved setae (although shown as directed posteriorly). No setae shown on TIX.

Female:
Colour similar to male but marking on abdominal tergtergites less conspicuous.
Head: Frontal tubercles smaller than in male. Antennal proportions 22 : 7 : 7 : 8 : 14, AR 0.32, A5/A1 0.64.
Wing length 3.72 mm, slightly wider than in male; VR 1.10.
Legs as in males, lengths (micron) and proportons:

	Fe	Ti	Ta1	Ta2	Ta3	Ta4	Ta5	LR	F/T	Ta4/Ti
PI	1320	1260	2040	990	840	660	280	1.60	1.67	0.52
PII	1440	1500	840	460	360	200	170	0.56	0.96
PIII	1680	1800	1320	720	500	310	190	0.73	0.93

Female genitalia of C. uttarpradeshensis (Madeshwari, 1989)

Genitalia as in figure. GCIX with 2-3 setae; segment X with 11-12 setae.
Cerci shown as long and narrow, widest posteriorly; dorsal surface longer and coming to an acute angle at posterior end, which merges into the ventral surface.

Pupa: Body length 5.00-5.40 mm; abdomen pale brown. Respiratory organ with four branches; anterior trunk larger than posterior trunk. TII (not TIII as stated) with a row of hooklets (not counted), spur of segment VIII with two pointed spines.

Fourth instar larva: length 9.00-9.84 mm; ventral tubules present, but no details; head capsule with a pair of dorsolateral stripes originating from the median strip; length 0.57 mm and width 0.46 mm. Pecten epipharyngis with single row of teeth, figure shows 11 teeth of type B.
Mentum shown as type I-II, but 4th lateral very closely attached to 5th laterals and separated from 6th laterals, central tooth appears to be type IIA.
Antenna: RO in basal half of A1, 25 µm up from base; antennal blade reaching apex of A4; A3 smaller than A4, A5 smallest, AR 1.83.
Mandible triangular, appears 4th inner tooth about type I; pecten mandibularis well developed but no mention of presence of furrows. Premandible with 2 teeth, inner tooth shown about 4x wider, possibly Ty. B2.

Larval mouthparts of C. uttarpradeshensis (Madeshwari, 1989)
a. Mandible; b. Labrum; c. Mentum; d. Antenna

Cytology: not known.

Found: India - Type locality - Khanari Agricultural Farm, Agra, Uttar Pradesh.

Larvae in mud and coarse sand at bottom of water tanks and other lentic waterbodies.

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