Aulacaspis, Cockerell, 1893

Tian, Feng & Xing, Jichun, 2022, Two new species of Aulacaspis Cockerell, 1893 (Hemiptera: Coccomorpha: Diaspididae) from China, Zootaxa 5087 (1), pp. 154-178 : 174-176

Key to species of Aulacaspis from China (adult females)

Modified from Wei et al. (2016). Aulacaspis depressa and A. machilicola are not included in the key because their descriptions are inadequate.

1 Posterior spiracle not associated with trilocular pores........................................................ 2

- Posterior spiracle associated with trilocular pores............................................................ 8

2 Abd. II without dorsal macroducts........................................................................ 3

- Abd. II with dorsal macroducts.......................................................................... 7

3 Abd. VI without dorsal macroducts............................................................... A. oblonga

- Abd. VI with dorsal macroducts.......................................................................... 4

4 L 1 connected by a basal zygosis...................................................................... A. vitis

- L 1 not connected by a basal zygosis....................................................................... 5

5 Dorsal macroducts numbering fewer than 10; with spurlike processes on margins of segments IV and V........ A. calcarata

- Dorsal macroducts numbering more than 20; without spurlike processes on margins of segments IV and V.... A. schizosoma

6 Abd. VI without dorsal macroducts.............................................................. A. zunyiensis

- Abd. VI with dorsal macroducts.......................................................................... 7

7 Abd. VI without submarginal dorsal macroducts; abd. II with submarginal and submedial dorsal macroducts; dorsal macroducts many, numbering more than 30 on each side of body; body at full maturity broadly fusiform, with mesothorax much wider than abdomen................................................................................. A. yunnanensis

- Abd. VI with submarginal dorsal macroducts; abd. II without dorsal macroducts; dorsal macroducts few, numbering fewer than 20 on each side of body; body at full maturity parallel-sided, elongate oval................................. A. pudica

8 Abd. I without submedial dorsal macroducts................................................................ 9

- Abd. I with submedial dorsal macroducts................................................................. 18

9 Abd. I without submarginal dorsal macroducts............................................................. 13

- Abd. I with submarginal dorsal macroducts................................................................ 10

10 Abd. I with submedial dorsal macroducts forming single rows or not forming rows................................ 11

- Abd. I with s ubmedial dorsal macroducts forming double rows................................................ 12

11 Metathorax noticeably narrower than abd. I; abd. I with submedial dorsal macroducts forming single rows..... A. divergens

- Metathorax almost as wide as abd. I; abd. I with submedial dorsal macroducts scattered, not forming rows. A. pseudospinosa

12 L 1 connected by a basal zygosis; prosomatic tubercles each low and broad............................... A. murrayae

- L 1 not connected by a basal zygosis; prosomatic tubercles each produced in a broad deltoid shape................ A. greeni

13 Abd. VI without dorsal macroducts............................................................. A. phoebicola

- Abd. VI with dorsal macroducts......................................................................... 14

14 Abd. I with submedial dorsal macroducts forming single rows........................................ A. neospinosa

- Abd. I with submedial dorsal macroducts forming double rows................................................ 15

15 Abd. V with 4 or 5 marginal gland spines on each side................................................ A. projecta

- Abd. V with only 1 marginal gland spine on each side....................................................... 16

16 Abd. I with a conical process on each lateral margin................................................ A. intermedia

- Abd. I without a conical process on each lateral margin...................................................... 17

17 Metathorax noticeably narrower than abd. I and II; L 1 connected by a basal zygosis; inner margin of L 1 angular....... A. citri

- Metathorax almost as wide as than abd. I and II; L 1 not connected by a basal zygosis; inner margin of L 1 radial..... A. crawii

18 Abd. II without submedial dorsal macroducts.............................................................. 33

- Abd. II with submedial dorsal macroducts................................................................. 19

19 Abd. II with submedial dorsal macroducts forming double rows............................................... 24

- Abd. II with submedial dorsal macroducts forming single rows................................................ 20

20 Abd. II without submarginal dorsal macroducts............................................................ 23

- Abd. II with submarginal dorsal macroducts............................................................... 21

21 Abd. IV without submarginal dorsal macroducts............................................................ 22

- Abd. IV with submarginal dorsal macroducts...................................................... A. altiplagae

22 Abd. VI with 2 marginal gland spines on each side; L 2 and L 3 of normal length......................... A. acronychiae

- Abd. VI with only 1 marginal gland spine on each side; L 2 and L 3 short................................... A. maesae

23 Space between L 1 containing 1 pair of sclerotised spines; L 1 bases connected, not extended anteriorly.......... A. megaloba

- Space between L 1 without sclerotised spines; L 1 bases not connected, extending anteriorly...................... A. litseae

24 Abd. II without submarginal dorsal macroducts............................................................ 25

- Abd. II with submarginal dorsal macroducts............................................................... 26

25 Abd. VI with 1 or 2 submedial dorsal macroducts on each side; body at full maturity with long sclerotised spines.................................................................................................. A. mischocarpi

- Abd. VI with more than 3 submedial dorsal macroducts on each side; body at full maturity without long sclerotised spines.............................................................................................. A. rosarum

26 Abd. VI without submarginal dorsal macroducts............................................................ 28

- Abd. VI with submarginal dorsal macroducts.............................................................. 27

27 Submedial area of prosoma with clusters of dorsal microducts; L 1 close to each other, each with inner margin not dilated distally....................................................................................... A. actinidiae

- Submedial area of prosoma without clusters of dorsal microducts; L 1 separate from each other, each with inner margin dilated distally..................................................................................... A. difficilis

28 Abd. VI without submedial dorsal macroducts...................................................... A. latissima

- Abd. VI with submedial dorsal macroducts................................................................ 29

29 Prosomatic tubercles prominent, prosoma angular.......................................................... 31

- Prosomatic tubercles not developed, prosoma suborbicular................................................... 30

30 Lateral gland spines many, numbering about 30–45 on each side............................... A. paralonganae sp. n.

- Lateral gland spines few, numbering about 10–25 on each side........................................ A. longanae

31 Abd. VI with only 1 submedial dorsal macroduct on each side.................................... A. guangdongensis

- Abd. VI with more than 1 submedial dorsal macroducts on each side........................................... 32

32 Abd. VI usually with 3 or 4 marginal gland spines on each side................................ A. guiyangensis sp. n.

- Abd. VI usually with 8–10 marginal gland spines on each side........................................... A. spinosa

33 Abd. III without submedial dorsal macroducts............................................................. 34

- Abd. III with submedial dorsal macroducts................................................................ 35

34 Abd. III without submarginal dorsal macroducts....................................................... A. aceris

- Abd. III with submarginal dorsal macroducts......................................................... A. litzeae

35 Abd. III with submedial dorsal macroducts forming double rows............................................... 36

- Abd. III with submedial dorsal macroducts forming single rows............................................... 37

36 Lobes numbering 4 pairs................................................................. A. wakayamaensis

- Lobes numbering 3 pairs......................................................................... A. nitida

37 Abd. III with only 1 submedial macroduct on each side.............................................. A. hedyotidis

- Abd. III with 2–8 submedial macroducts on each side....................................................... 38

38 Abd. VI without submedial dorsal macroducts............................................................. 39

- Abd. VI with submedial dorsal macroducts................................................................ 40

39 Abd. V with only 1 submedial dorsal macroduct on each side; prosoma not obviously segmented; dorsum of prothorax without five small dots on submargin.................................................................... A. alisiana

– Abd. V with 2 submedial dorsal macroducts on each side; prosoma obviously segmented; dorsum of prothorax with five small dots on submargin............................................................................... A. uenoi

40 Abd. VI with only 1 or 2 submedial dorsal macroducts....................................................... 41

- Abd. VI with at least 3 submedial dorsal macroducts in a single row............................................. 48

41 Prosoma almost as wide as metathorax............................................................. A. machili

- Prosoma significantly wider than metathorax.............................................................. 42

41 Prosoma distinctly segmented....................................................................... A. ima

- Prosoma coalescent, not distinctly segmented.............................................................. 43

43 Body without obvious segmentation; on Cycadaceae only........................................... A. yasumatsui

- Body clearly segmented; hosts various................................................................... 44

44 Inner margins of L 1 very close together, separated by a narrow slit........................................ A. robusta

- Inner margins of L 1 divergent, separated by a triangular space................................................. 45

45 Mesothorax expanded laterally, wider than prosomatic tubercles............................................... 46

- Mesothorax not expanded, narrower than prosomatic tubercles................................................ 47

46 Basal zygotic sclerite of L 1 protruding anteriorly; postsoma not narrowing gradually....................... A. sirodamo

- Basal zygotic sclerite of L

1 not protruding anteriorly; postsoma narrowing gradually.......................... A. ferrisi

47 Base of each L 1 with a pair of elongate scleroses.................................................. A. tubercularis

- Base of each L 1 without a pair of elongate scleroses......................................................... 48

48 Base of each L

1 with slender paraphyses......................................................... A. fuzhouensis

- Base of each L 1 without slender paraphyses....................................................... A. yabunikkei

49 Abd. V with 2 or 3 marginal gland spines on each side....................................................... 50

- Abd. V with only 1 marginal gland spine on each side....................................................... 51

50 Each space between L 1 and L 2 containing 2 marginal gland spines; L 1 not divergent, each suborbicular; postsoma narrowing gradually................................................................................... A. tegalensis

- Each space between L 1 and L 2 containing 1 marginal gland spine; L 1 divergent, each elongate; postsoma not narrowing gradually........................................................................................ A. sassafris

51 Lobes numbering 4 pairs.................................................................... A. madiunensis

- Lobes numbering 3 pairs.............................................................................. 52

52 Prosoma distinctly segmented................................................................. A. formosana

- Prosoma coalescent, not distinctly segmented.............................................................. 53

53 Each L

1 with a short seta on inner margin........................................................ A. amamiana

- Each L 1 without a short seta on inner margin............................................................... 55

54 Postsoma narrowing gradually.......................................................................... 57

- Postsoma not narrowing gradually....................................................................... 58

55 Submedial dorsal macroducts relatively few, numbering 8–23; abd. IV with 1–3 marginal gland spines...... A. ericacearum

- Submedial dorsal macroducts more numerous, numbering 31–43; abd. IV with 5 or 6 marginal gland spines..... A. saigusai

56 Dorsal and ventral surfaces of metathorax each with a long lateral seta on either side; each L 1 with inner margin dilated outwards at an obtuse angle........................................................................... A. rosae

- Dorsal and ventral surfaces of metathorax without long lateral setae on either side; each L 1 with inner margin dilated outwards in an arc............................................................................... A. actinodaphnes