Paralecanium Cockerell
Creators: name: Tan, Zhixiang
name: Meng, Shitao
name: Xing, Jichun
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hemiptera
Coccidae
Paralecanium

description: Key to species of Paralecanium adult females, partly based on Hodgson & Williams (2018)
1(0) Legs reduced, with very short segments................................................. P. palawanense Hodgson
- Legs normally developed............................................................................... 2
2(1) Marginal setae spatulate................................................................ P. comperei Hodgson
- Marginal setae fan-shaped.............................................................................. 3
3(2) Dorsal setae each expanding into a scimitar-like apex......................................... P. acinaces Hodgson
- Dorsal setae with apices of other shapes................................................................... 4
4(3) With dorsal setae of 2 sizes............................................................................. 5
- With dorsal setae of 1 size throughout..................................................................... 6
5(4) Stigmatic spines basically club-shaped, and usually not extending beyond cleft opening............. P. busoense Hodgson
- Stigmatic spines each parallel-sided throughout entire length, and longer, extending beyond cleft opening................................................................................................. P. pahanense Takahashi
6(4) Stigmatic clefts each containing only 1 stigmatic spine........................................................ 7
- Stigmatic clefts each containing at least 2 stigmatic spines.................................................... 10
7(6) Legs relatively well developed, with trochanter + femur more than 105 µm long................................... 8
- Legs reduced, with trochanter + femur less than 85 µm long................................................... 9
8(7) Dorsal setae few, each 11–12 μm long, with base narrow but quickly broadening, becoming narrowly bulbous at apex.................................................................................. P. claviseta Hodgson (in part)
- Dorsal setae short and stout, each 6–7 µm long, parallel-sided with apex blunt................... P. maculatum Takahashi
9(7) Anal plate apodemes each extending anteriorly and fused medially.............................. P. minutum Takahashi
- Anal plate apodemes not extending anteriorly, not fused medially................................ P. vacerra Hodgson
10(6) Body elongate, 2.5–3.0x longer than wide................................................. P. elongatum Hodgson
- Body much broader, less than 2x longer than wide.......................................................... 11
11(10) Stigmatic clefts each containing only 2 stigmatic spines................................ P. claviseta Hodgson (in part)
- Stigmatic clefts each containing 3 stigmatic spines.......................................................... 12
12(11) Trochanters each without a long seta................................................... P. hainanense Takahashi
- Trochanters each with a long seta........................................................................ 13
13(12) Marginal ornamentation absent......................................................... P. calophylli (Green)
- Marginal ornamentation present....................................................................... 14
14(13) Trochanter + femur less than 40 µm long.................................................. P. ovatum Morrison
- Trochanter + femur more than 60 µm long............................................................... 15
15(14) Trochanter + femur more than 160 µm long............................................. P. macrozamiae (Fuller)
- Trochanter + femur less than 150 µm long............................................................... 16
16(15) Venter of mature specimens without a sclerotized or patterned marginal band................................... 17
- Venter of mature specimens with a sclerotized or patterned marginal band...................................... 18
17(16) Dorsal setae each finely spinose with a sharp apex....................................... P. neoguineense Hodgson
- Dorsal setae clearly capitate............................................................. P. zonatum (Green)
18(16) Ventral marginal band more than 250 μm wide.......................................... P. geometricum (Green)
- Ventral marginal band less than 230 μm wide............................................................ 19
19(18) Marginal setae each fan-shaped but with a flattish top, almost triangular......................... P. frenchii (Maskell)
- Marginal setae each fan-shaped with a cambered top, never triangular......................................... 20
20(19) Large dorsal pores each 8–10 μm wide.................................................................. 21
- Large dorsal pores (if present) each no more than 7 μm wide................................................ 22
21(20) Dorsum with each submedial band containing only 10–15 large pores....................... P. cypripedium Hodgson
- Dorsum with each submedial band containing 35–60 large pores........................... P. peradeniyense (Green)
22(20) Dorsal setae each with a sharp apex.................................................................... 23
- Dorsal setae each with a more-or-less blunt or capitate apex................................................. 24
23(22) Stigmatic spines tending to be rather pointed............................................. P. marginatum (Green)
- Stigmatic spines slightly clavate........................................................ P. maritimum (Green)
24(22) Antennal segments IV and V each with a setose seta....................................................... 25
- Antennal segments IV and V each without any setose setae......................... P. sabia Tan, Meng & Xing sp. n.
25(24) Large dorsal pores absent, or, if considered present, each only about 2 μm wide................................. 26
- Large dorsal pores present, each 4–6 μm wide............................................................ 27
26(25) Ornamentation of margin consisting of 6–8 strong radial sclerotizations between each pair of marginal setae................................................................................................ P. planum (Green)
- Ornamentation of margin consisting of 1–3 large, shallow sclerotized patches between each pair of marginal setae........................................................................................... P. machili Takahashi
27(25) Multilocular disc-pores present around genital opening and on preceding 2 segments................... P. leei Hodgson
- Multilocular disc-pores present in groups on either side of genital opening and on 1 preceding segment only.......... 28
28(27) Dorsal setae rather short, each curved with a blunt apex. Abdominal clear areas obscure or absent on younger specimens but clearly present on mature specimens................................................ P. neomaritimum Takahashi
- Dorsal setae longer, each straight, stout and parallel-sided, often with a capitate apex. Abdominal clear areas absent....................................................................................... P. morobeense Hodgson
description: Published as part of Tan, Zhixiang, Meng, Shitao & Xing, Jichun, 2024, Description of a new species of the genus Paralecanium Cockerell & Bueker (Hemiptera: Coccomorpha: Coccidae) from China, pp. 477-485 in Zootaxa 5415 (3) on pages 483-484, DOI: 10.11646/zootaxa.5415.3.7, http://zenodo.org/record/10693430