Argyrochlamys hajiesmaeiliani, Grichanov & Gilasian, 2023

Grichanov, I. Ya. & Gilasian, E., 2023, Three new species of the genus Argyrochlamys Lamb, 1922 (Diptera: Dolichopodidae) from mangroves of Iran and Oman, Russian Entomological Journal 32 (2), pp. 210-220 : 211

publication ID

https://doi.org/ 10.15298/rusentj.32.2.12

persistent identifier

https://treatment.plazi.org/id/00403F15-FFCE-FFE8-FCD1-FDF7FAD7F7F2

treatment provided by

Felipe

scientific name

Argyrochlamys hajiesmaeiliani
status

 

KEY TO ARGYROCHLAMYS SPECIES FROM INDIAN OCEAN COAST AND ISLANDS

1. Distal section of M 1+ 2 in middle with nearly right-angular curvation; female postpedicel about as long as high, with distinctly dorsal stylus ................................................. 2

— Distal section of M 1+ 2 in middle with gentle (about 45°) curvation; female postpedicel 1.5–1.7 times longer than high, with nearly apical stylus ..................................... 5

2. Distal section of M 1+2 without stublike vein; costal section between R 1 and R 2+3 distinctly shorter than costal section between R 2+3 and R 4+5 (3/4 to 9/10) ............................. 3

— Distal section of M 1+2 with short stublike vein; costal section between R 1 and R 2+3 at least as long as costal section between R 2+3 and R 4+5 ...................................... 4

3. Abdomen blackish green, with only posterior margins of tergites narrowly yellow; thorax entirely dark; mid coxa yellow, brownish at base; 4.4–4.8 mm ...... A. impudicus View in CoL

— Abdominal tergite 1 mostly yellow and tergite 2 entirely yellow, other segments with posterior margins of tergites yellow; thorax with yellow metapleuron and scutellum; mid coxa mostly black, yellow at apex; 3 mm .... ....................................................................... A. decolor View in CoL

4. Abdomen with tergites 1 and 2 yellow, tergite 3 entirely yellow or with small brown or blackish spot dorsally, and tergites 4 and 5 mostly black; maximal face width 1.4–1.6 times as postpedicel height; distal section of M 4 2.2–2.5 times longer than dm-m; fore tarsus 1.2 times as long as fore tibia; male postpedicel 1.7–1.9 times longer than high; 3.3–3.8 mm .................... A. hajiesmaeiliani sp.n.

— Abdomen with only tergite 2 mostly yellow, with small black spot dorsally and other tergites mostly black; maximal face width 1.8 times as postpedicel height; distal section of M 4 3.1 times longer than dm-m; fore tarsus 1.5 times as long as fore tibia; male postpedicel 1.5 times longer than high; 3.5 mm .............................. ........................................................ A. nigrescens View in CoL sp.n.

5. Mesonotum entirely orange-yellow; fore coxa with either yellow or black cilia .................................................... 6

— Mesonotum mostly dark; fore coxa with black cilia ... 7

6. Coxae with yellow cilia and bristles; female arista-like stylus as long as postpedicel; costal section between R 1 and R 2+3 3.2 times longer than costal section between R 2+3 and R

4+5

; 3.5 mm (females only) ............... A. marshalli

— Coxae with black cilia and bristles; female arista-like stylus distinctly shorter than postpedicel (20/25); costal section between R 1 and R 2+3 2.8 times longer than costal section between R 2+3 and R 4+5 ......... A. tomkovichi sp.n.

7. Arista-like stylus distinctly longer than postpedicel; mid tibia without ventral setae; 3.7 mm (females only) ..... .................................................................... A. erythreus View in CoL

— Arista-like stylus 2 times shorter than postpedicel in male and slightly shorter than that in female; mid tibia with 2 ventral setae; 3.75 mm ................................. A. cavicola View in CoL

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Dolichopodidae

Genus

Argyrochlamys

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Dolichopodidae

Genus

Argyrochlamys

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Dolichopodidae

Genus

Argyrochlamys

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