Coccidae

Choi, Jinyeong, Soysouvanh, Pheophanh, Lee, Seunghwan & Hong, Ki-Jeong, 2018, Review of the family Coccidae (Hemiptera: Coccomorpha) in Laos, Zootaxa 4460 (1), pp. 1-62: 6-7

publication ID

https://doi.org/10.11646/zootaXa.4460.1.1

publication LSID

lsid:zoobank.org:pub:DB841017-698F-4D44-A633-461D350DC984

persistent identifier

http://treatment.plazi.org/id/0974884C-B676-FFD7-FF6C-FA6607D7F832

treatment provided by

Plazi

scientific name

Coccidae
status

 

Key to adult females of species of Coccidae  in Laos

1. Stigmatic clefts each with a single stigmatic spine............................................................ 2

- Stigmatic clefts each with at least 3 stigmatic spines.......................................................... 3

2. Antenna with 4th and 5th segments each longer than wide; preopercular pores eXtending anteriorly onto thoraX; multilocular disc-pores absent from metathoraX............................................. Drepanococcus chiton  ( Figs 4View FIGURE 4, 5View FIGURE 5)

- Antenna with 4th and 5th segments each shorter than wide, or of similar length to width; preopercular pores restricted to abdomen; multilocular disc-pores present on metathoraX........................................... D. cajani  ( Figs 2View FIGURE 2, 3View FIGURE 3)

3. Marginal setae each fan-shaped.......................................................................... 4

- Marginal setae not fan-shaped............................................................................ 5

4. Preopercular pores present anterolateral to anal plates, in 3 groups on each side; legs entirely absent.............................................................................................. Paralecanium quadratum  ( Fig. 34View FIGURE 34)

- Preopercular pores present anterolateral to anal plates, in 2 groups on each side; legs represented by leg stubs............................................................................................. P. expansum  ( Figs 32View FIGURE 32, 33View FIGURE 33)

5. Marginal setae truncate, of 2 types (slender and long, or thick and same length as slender ones or shorter); anal plates each with apical setae truncate..................................................... Megapulvinaria maxima  ( Figs 35View FIGURE 35, 36View FIGURE 36)

- Marginal setae of a single type, tips pointed or frayed; anal plates each with apical setae sharply spinose................. 6

6. Body entirely covered with thick waX test; without white ovisac; anal plates situated on sclerotized caudal process at maturity; stigmatic spines conical or bullet-shaped................................................................... 7

- Body without obvious waXy test; sometimes with white ovisac; anal plates not situated on sclerotized caudal process; stigmatic spines normally spinose............................................................................... 11

7. WaX test star-shaped, with 7 rays; interantennal setae numbering about 7-10 pairs......... Ceroplastes stellifer  ( Figs 14View FIGURE 14, 15View FIGURE 15)

- WaX test more or less round to oval; interantennal setae numbering about 1–3 pairs................................. 8

8. Stigmatic clefts each with a large medial seta; legs poorly developed, each with tibia and tarsus fused...................................................................................................... C. rubens  ( Figs 12View FIGURE 12, 13View FIGURE 13)

- Stigmatic clefts each with medial seta, if present, never more than twice as large as other stigmatic setae; legs normally devel- oped, each with tibia and tarsus distinct.................................................................... 9

9. Ventral tubular ducts each with a swollen inner ductule, present in lateral submarginal areas of body; with about 8–10 slender marginal setae present between anterior and posterior stigmatic clefts on each side............. C. floridensis  ( Figs 11View FIGURE 11, 12View FIGURE 12)

- Ventral tubular ducts each with a narrow or filamentous inner ductule, present in submarginal area of posterior abdomen and head only; with about 2–4 slender marginal setae present between anterior and posterior stigmatic clefts on each side..... 10

10. WaX test forming a distinct horn at maturity; stigmatic spines arranged in about 6 rows by each cleft; antenna 6 segmented; legs without tibio-tarsal articulatory scleroses.................................................. C. ceriferus  ( Figs 6View FIGURE 6, 7View FIGURE 7)

- WaX test without a horn at maturity; stigmatic spines arranged in 2 or 3 rows by each cleft; antenna 7 segmented; legs with tibio-tarsal articulatory scleroses.................................................... C. cirripediformis  ( Figs 8View FIGURE 8, 9View FIGURE 9)

11. Anal plates together kite-shaped, each plate with anterolateral margin over 1.7 times as long as posterolateral margin............................................................................. Milviscutulus mangiferae  ( Figs 37View FIGURE 37, 38View FIGURE 38)

- Anal plates together approXimately quadrate, each plate with anterolateral margin similar in length to posterolateral margin 1 2

12. Ventral tubular ducts, each with a broad inner ductule, present in medial areas of head, thoraX and abdomen; in life, mature adult female with white ovisac.......................................................................... 13

- Ventral tubular ducts each with a broad inner ductule absent; or if present, either (i) present in medial area of thoraX only (e.g. Coccus celatus  and C. viridis  ), or (ii) mainly present in submarginal areas of body, as well as few ducts present around meso- and procoXa (e.g. Saissetia coffeae  ); in life, mature adult female without white ovisac.............................. 15

13. Dorsum with polygonal reticulations; with 4 or 5 stigmatic spines present in each stigmatic cleft................................................................................................ Pulvinaria polygonata  ( Figs 41View FIGURE 41, 42View FIGURE 42)

- Dorsum without polygonal reticulations; with only 3 stigmatic spines present in each stigmatic cleft................... 14

14. Multilocular disc-pores mostly each with 7 loculi; with ventral tubular ducts of 3 types (type I: each with a broad inner ductule; type II: each with a narrow inner ductule; type III: each with a filamentous inner ductule)........ P. floccifera  ( Figs 39View FIGURE 39, 40View FIGURE 40)

- Multilocular disc-pores mostly each with 10 loculi; with ventral tubular ducts of only 2 types (type III with filamentous inner ductules absent)....................................................................... P. psidii  ( Figs 43View FIGURE 43, 44View FIGURE 44)

15. Submarginal band of ventral tubular ducts present........................................................... 16

- Submarginal band of ventral tubular ducts absent........................................................... 19

16. Dorsum with polygonal reticulations; anal plates each without a discal seta; in life, without H-shaped ridge on dorsum................................................................................ Parasaissetia nigra  ( Figs 45View FIGURE 45, 46View FIGURE 46)

- Dorsum without polygonal reticulations; anal plates each with a discal seta; in life, young specimens with H-shaped ridge on dorsum............................................................................................. 17

17. With ventral tubular ducts of 3 types (type I: each with a broad inner ductule; type II: each with a narrow inner ductule; type III: each with a filamentous inner ductule), present in submarginal and medial areas of thoraX and abdomen............................................................................................ Saissetia coffeae  ( Figs 47View FIGURE 47, 48View FIGURE 48)

- With ventral tubular ducts of only 1 type (type I: each with a narrow inner ductule), present in submarginal areas only..... 18

18. Marginal setae between anterior and posterior stigmatic clefts on each side numbering 17–23...... S. miranda  ( Figs 49View FIGURE 49, 50View FIGURE 50)

- Marginal setae between anterior and posterior stigmatic clefts on each side numbering 5–13.......... S. oleae  ( Figs 51View FIGURE 51, 52View FIGURE 52)

19. Dorsum of mature adult female formed of polygonal sclerotized plates; ventral tubular ducts absent........................................................................................... Eucalymnatus tessellatus  ( Figs 30View FIGURE 30, 31View FIGURE 31)

- Dorsum of mature adult female without polygonal plates; ventral tubular ducts present, of 1 or 2 types................. 20

20. Pregenital setae numbering 1 or 2 pairs; ventral tubular ducts absent from medial area of thoraX, present only in submarginal area of posterior abdomen...................................................... Coccus capparidis  ( Figs 16View FIGURE 16, 17View FIGURE 17)

- Pregenital setae numbering 3 pairs; ventral tubular ducts present in medial area of thoraX............................ 21

21. Dorsal submarginal tubercles present..................................................................... 22

- Dorsal submarginal tubercles absent...................................................................... 25

22. Ventral tubular ducts in medial area of thoraX each with a broad or filamentous inner ductule......................... 23

- Ventral tubular ducts in medial area of thoraX each with a narrow inner ductule.................................... 24

23. Multilocular disc-pores mostly each with 10–12 loculi; ventral tubular ducts of 2 types (type I: each with a broad inner ductule; type II: each with a filamentous inner ductule); antenna 8 segmented........................... C. celatus  ( Figs 18View FIGURE 18, 19View FIGURE 19)

- Multilocular disc-pores mostly each with 7 loculi; ventral tubular ducts of 1 type (type I: each with a broad inner ductule) only; antenna 7 segmented.................................................................. C. viridis  ( Figs 28View FIGURE 28, 29View FIGURE 29)

24. Antennae each 8 segmented....................................................... C. gymnospori  ( Figs 22View FIGURE 22, 23View FIGURE 23)

- Antennae each 7 segmented....................................................... C. hesperidum  ( Figs 24View FIGURE 24, 25View FIGURE 25)

25. Dorsal setae tapering, sharply setose; marginal setae with pointed apices; ventral tubular ducts abundant, a continuous transverse band of ducts present on mesothoraX; legs without tibio-tarsal articulatory scleroses........ C. formicarii  ( Figs 20View FIGURE 20, 21View FIGURE 21)

- Dorsal setae cylindrical, bluntly spinose; marginal setae with bifid or fimbriate apices; ventral tubular ducts scarce, a continu- ous transverse band of ducts absent from mesothoraX, a few present near each mesocoXa; legs with tibio-tarsal articulatory scleroses................................................................... C. latioperculatum  ( Figs 26View FIGURE 26, 27View FIGURE 27)

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hemiptera

Family

Coccidae