Margarodidae Cockerell 1899
Creators: name: Zheng, Xinyi
name: Wu, San'An
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hemiptera
Margarodidae

description: Key to genera and species of adult female Margarodidae from China
1(0) Abdominal spiracles numbering 8 pairs (genus Neomargarodes)................................................ 2
- Abdominal spiracles numbering fewer than 8 pairs.......................................................... 5
2(1) Antenna with segments II and III fused together................................................ N. niger (Green)
- Antenna with segments II and III separate................................................................. 3
3(2) Foreleg claw with basal prominent heel angular.............................. N. chenopodium Zheng & Wu, sp. nov.
- Foreleg claw with basal prominent heel swollen and rounded ................................................... 4
4(3) Multilocular disc-pores each with a bright central loculus; disc-pores on abdominal sternites I–IV few, forming transverse segmental bands only 1 or 2 pores wide. Feeding mainly on Fabaceae ............................. .. N. gossypii Yang
- Multilocular disc-pores each without a bright central loculus; disc-pores on abdominal sternites I–IV numerous, forming transverse segmental bands 3–6 pores wide. Feeding on Cucurbitaceae and Amaranthaceae ...... N. cucurbitae Tang & Hao
5(1) Abdominal spiracles numbering 6 or 7 pairs (genus Margarodes). Body with many spines on thorax and abdomen. Foreleg claw sometimes bifurcate.................................................................. M. sinensis (Silvestri)
- Abdominal spiracles numbering 2 pairs or absent. Body without spines. Foreleg claw acute, never bifurcate (genus Porphyrophora)...................................................................................... 6
6(5) Long hair-like setae few and relatively short (each less than 100 μm long); each abdominal tergite with transverse segmental band of setae only 1 or 2 setae wide..................................... P. neimonggolensis Zheng & Wu, sp. nov.
- Long hair-like setae numerous and long (each more than 200 μm long); each abdominal tergite with transverse segmental band of setae 2–9 setae wide................................................................................ 7
7(6) Antenna with 10 segments. Multilocular disc-pores each without a bright central loculus... P. violaceae Matesova & Jashenko
- Antenna with 9 segments or fewer. Multilocular disc-pores each with a bright central loculus......................... 8
8(7) Abdominal tergites each with transverse segmental band of setae about 6–9 setae wide. Thoracic spiracle with 7–22 spiracular disc-pores.................................................................... P. ningxiana Yang, stat. rest.
- Abdominal tergites each with transverse segmental band of setae about 2–6 setae wide. Thoracic spiracle with 4–6 spiracular disc-pores........................................................................................... 9
9(8) Abdominal sternites each with transverse band of setae only 2 or 3 setae wide.Antenna with 7–9 (mostly 7) segments. Sclerotized plate around eyespot with a reticulated texture............................................ P. polonica (Linnaeus)
- Abdominal sternites each with transverse band of setae about 4–6 setae wide. Antenna with 9 segments. Sclerotized plate around eyespot smooth...................................................... P. ejinensis Zheng & Wu, sp. nov.
description: Published as part of Zheng, Xinyi & Wu, San'An, 2024, A review of the Margarodidae sensu stricto (Hemiptera: Coccomorpha) in China, with descriptions of three new species, pp. 451-500 in Zootaxa 5506 (4) on page 497, DOI: 10.11646/zootaxa.5506.4.1, http://zenodo.org/record/13747303