Microserica viridicollis Arrow 1913
Creators: name: Ahrens, Dirk
name: Liu, Wangang
name: Lukic, Daniel
name: Bai, Ming
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Melolonthidae
Microserica
Microserica viridicollis

description: Microserica viridicollis group
Key to the species of the Microserica viridicollis group:
1 Apex of left paramere widely membraneous mesally. Punctation of pygidium in female sparse and superficial, surface finely microreticulate, without distinct micropunctures............................................................. 2
- Apex of left paramere not membraneous mesally............................................................. 3
2 Antennal club of male composed of 7 antennomeres. Colour generally yellowish brown........ Mic. heptaphylla Frey, 1972
- Antennal club of male composed of 5 or 6 antennomeres, rarely with 6 antennomeres with the 4 antennomere transversely produced. Colour generally black. ...................................................... Mic. thai Ahrens, 2002
3 Antennal club of male composed of 5 or 6 antennomeres...................................................... 4
- Antennal club of male composed of 7 antennomeres.......................................................... 8
4 Antennal club of male composed of 6 antennomeres.......................................................... 5
- Antennal club of male composed of 5 antennomeres. Body colour sometimes bicoloured, black with brown elytra. Pygidium with fine micropunctures......................................................... Mic. viridicollis Arrow, 1913
5 First lamella of club only half as long as the club. Carina of hypomeron strongly produced ventrally. Body uniformly blackish............................................................................................. 6
- All lamella of club of the same length...................................................................... 7
6 Surface of pygidium in female weakly shiny, finely microreticulated (visible at 100x magnification) and micropunctate.................................................................................... Mic. nigra (Brenske, 1898)
- Surface of pygidium in female strongly shiny, without microreticulation (visible at 100x magnification).................................................................................................. Mic. affinis Arrow, 1946
7 Carina of hypomeron not produced ventrally. Right paramere small.......................... Mic. feae (Brenske, 1898)
- Carina of hypomeron strongly produced ventrally. Right paramere relatively large........... Mic. biapoensis Ahrens, 2002
8 Surface of pygidium in female shiny, finely micropunctate (visible at 100x magnification), microreticulation only very superficial........................................................................................... 9
- Surface of pygidium in female with distinct microreticulation (visible at 100x magnification)........................ 10
9 Left paramere apically strongly widened, phallobase wide (in dorsal view). Dorsal surface uniformly black......................................................................................... Mic. thagatana (Brenske, 1898)
- Left paramere almost not widened apically, phallobase narrow (in dorsal view). Dorsal surface yellowish brown or blackish......................................................................... Mic. phanrangensis Ahrens, 2002
10 Aedeagus moderately long, dorsally strongly curved................................... Mic. globulosa Moser, 1915
- Aedeagus long and narrow, dorsally weakly curved......................................................... 11
11 Antennal club 1.3 times as long as remaining antennomeres combined. Metatarsomere 1 as long as dorsal metatibial spur............................................................................... Mic. benomensis Ahrens, 2002
- Antennal club only little longer than remaining antennomeres combined. Metatarsomere 1 a quarter of its length longer than dorsal metatibial spur.......................................................... Mic. singaporeana Moser, 1921
description: Published as part of Ahrens, Dirk, Liu, Wangang, Lukic, Daniel & Bai, Ming, 2023, A taxonomic review of Microserica Brenske, 1894 from continental Asia (Coleoptera: Scarabaeidae: Melolonthinae: Sericini), pp. 1-115 in Zootaxa 5241 (1) on pages 54-55, DOI: 10.11646/zootaxa.5241.1.1, http://zenodo.org/record/7639734