Protomorgania

Dooley Iii, John W. & Evans, Gregory A., 2012, A new genus and species of armored scale insect (Hemiptera: Diaspididae) from Australia found in the historic Koebele Collection of the California Academy of Sciences John W. Dooley III, Insecta Mundi 2012 (218), pp. 1-14 : 2-3

Key to the genera of armored scales in Australia similar to Protomorgania

1. Dorsum of pygidium primarily reticulate or areolate. .........................................................................2

– Dorsum of pygidium primarily stippled, striate or smooth. ................................................................9

2(1) Anterior and posterior spiracles without associated perispiracular pores; pygidial plates fringed, extending beyond L 1 lobes; L 2 and L 3 absent.....................................................................................3

– Anterior spiracles with, and posterior spiracles with or without, associated perispiracular pores; pygidial plates fringed or straight, not extending beyond L 1 lobes; L 2 present (except in Mimeraspis cuspiloba Brimblecombe ), L 3 present or absent. ............................................................................... 4

3(2) L 1 lobes fused or appressed; 1 species on Eucalyptus ( Fig. 10 ) ............. Dichosoma Brimblecombe

– L 1 lobes separated; 1 species on Eucalyptus ( Fig. 9 ). .......................... Diastolaspis Brimblecombe

4(2) L 1 lobes fused or appressed; perispiracular pores above the anterior spiracle usually widely dispersed, extending laterally well beyond the width of the spiracle; 2 species on Melaleuca and Callistemon ( Fig. 14 )................................................................................................ Mimeraspis Brimblecombe

– L 1 lobes separated; perispiracular pores above the anterior spiracle not widely dispersed, not extending laterally well beyond the width of the spiracle. ................................................................................ 5

(4) Paraphysis between L 1 and L 2 lobes elongate, each with a large round sclerotization at its apex. .. 6 – Paraphysis between L 1 and L 2 lobes variable, but without a large round sclerotization at its apex. 7

6(5) Pygidium with 3 lobes, L 2 well separated from L 1; 18 species on various hosts ( Fig. 11 ). ................... ......................................................................................................... Duplaspidiotus MacGillivray

– Pygidium with 2 lobes, L 2 nearly contiguous with L 1; 1 species on Acacia ( Fig. 12 ). ........................... ................................................................................................ Eulaingia Brimblecombe (in part).

7(5) Paraphyses present on each side of the L 1 lobes; L 4 present; some species with perivulvar pores; 19 species on various hosts ( Fig. 18 )............................................................ Pseudaonidia Cockerell

– Paraphyses present only on anterior side of the L 1 lobes; L 4 absent; all species without perivulvar pores..................................................................................................................................................... 8

8(7) Anterior and posterior spiracles with associated pores; vulva not encompassed by large, sclerotized arch; 13 species, various hosts ( Fig. 19 ). .......................................... Pseudotargionia Lindinger

– Anterior spiracles with, and posterior spiracles without, associated pores; vulva encompassed by large, sclerotized arch; 4 species on Melaleuca and Leptospermum ( Fig. 15 ).................................... .............................................................................................................. Myrtophila Brimblecombe

9(1) Perivulvar pores present; paraphyses absent; L 1 lobes separated; L 2 and L 3 present; 1 species on Eugenia ( Fig. 13 )............................................................................ Megaspidiotus Brimblecombe

– Perivulvar pores absent; paraphyses present (except in Diaspidopus distinctus Brimblecome ) L 1 lobes variable; L 2 and L 3 present or absent. ....................................................................................10

10(9) Pygidium with 1 pair of paraphyses which terminate in a large round sclerotization; plates setiform; L 2 small, almost contiguous with large L 1 lobes; 1 species on Acacia ( Fig. 12 ). ................................ ................................................................................................. Eulaingia Brimblecombe (in part)

– Pygidium with 0, 1 or more pairs of paraphyses, none of which terminate in a large round sclerotization; plates fringed, L 2 variable but not almost contiguous with large L 1 lobes. .................................... 11

11(10) L 1 lobes fused or appressed; L 2 and L 3 absent (except in some Neoleonardia species ). .................... 12

– L 1 lobes separated; L 2 and L 3 present (except in Diaspidopus distinctus ). ....................................... 14

12(9) Pygidium tapering posteriorly to a point; basal sclerosis elongate; L 1 lobes fused; L 2 and L 3 present or absent; vulva not encompassed by large, sclerotized arch; 5 species on Eucalyptus and Melaleuca ( Fig. 16 )............................................................................................... Neoleonardia MacGillivray

– Pygidium not tapering posteriorly to a point; basal sclerosis absent; L 1 lobes fused or appressed; L 2 and L 3 absent; vulva encompassed by large, sclerotized arch. ....................................................... 13

13(12) Anterior and posterior spiracles with associated pores; L 1 lobes fused ventrally, appressed dorsally; tubercle present on lateral margin of cephalon; 1 species on Pittosporum . ( Fig. 1–3 )...................... ............................................................................. Protomorgania Dooley and Evans , gen. nov.

– Anterior spiracles with, and posterior spiracles without, associated pores; L 1 lobes appressed ventrally and dorsally; tubercle absent on lateral margin of cephalon; 1 species on various hosts ( Fig. 17 ).. .............................................................................................................. Neomorgania MacGillvray

14(11) L 2 and L 3 absent; L 1 lobes short, round and separated by a distance of about the width of one lobe; paraphyses absent; 1 species on Homoranthus ( Fig. 8 )...................................................................... ........................................................................................................... Diaspidopus Brimblecombe

– L 2 and L 3 present; L 1 lobes variable but not separated by a distance of about the width of one lobe; paraphyses present. .......................................................................................................................... 15

15(14) L 1 lobes tri-lobed with paraphyses present on each side of the each lobe; 1 species on Dissilaria ( Fig. 5 ). ........................................................................................................ Acontonidia Brimblecombe

– L 1 lobes uni-lobed with paraphyses present only on anterior margin of each lobe. ......................... 16

16(15) Lobes elongate, much longer than wide; paraphyses short and yoked; 1 species on Dissilaria ( Fig. 6 ). ........................................................................................................ Aspidonymus Brimblecombe

– Lobes short and round, much wider than long; paraphyses elongate, not yoked; 2 species on Casuarina ( Fig. 4 )............................................................................................... Achorophora Brimblecombe

Figures

Figure 1. Protomorgania koebelei adult female. A) habitus; B) tubercle; C) anterior spiracle; D) posterior spiracle; E) pygidial lobes; F) slide mounted female habitus; G) habitus on host; H) close-up of habitus on host

Figure 2. Protomorgania koebelei adult female (thorax and Abdomen). A) anterior perispiracular pores; B) dorsal microducts; C) dorsal microducts, magnified; D) roughened cuticle.

Figure 3. Protomorgania koebelei adult female (pygidium). A) L1 lobes fused ventrally, appressed dorsally; B) single simple plate between L1 and position of L2 seta; C) anal pore; D) sclerotized arch; E) chitinized and finely stippled cuticle around vulva.

Figure 19. Pseudotargionia glandulosa, habitus, detail of venter of L1 lobes, and pygidium ventral (left) and dorsal (right) (after Ferris 1937).

Figures 10-12. Diaspididae spp., habitus, detail of venter of L1 lobes, and pygidium ventral (left) and dorsal (right). 10) Dichosoma convexa (after Brimblecombe 1957). 11) Duplaspidiotus claviger (after Ferris 1937). 12) Eulaingia stenophyllae (after Borchsenius and Williams 1963).

Figures 7-9. Diaspididae spp., habitus, detail of venter of L1 lobes, and pygidium ventral (left) and dorsal (right) (after Brimblecombe 1957). 7) Diaphoraspis orbata. 8) Diaspidopus distinctus. 9) Diastolaspis novata.

Figures 13-15. Diaspididae spp., habitus, detail of venter of L1 lobes, and pygidium ventral (left) and dorsal (right) (after Brimblecombe 1957). 13) Megaspidiotus fimbriatus. 14) Mimeraspis cuspiloba. 15) Myrtophila curvata.

Figures 16-18. Diaspididae spp., habitus, detail of venter of L1 lobes, and pygidium ventral (left) and dorsal (right). 16) Neoleonardia extensa (after Ferris 1938). 17) Neomorgania eucalypti (after Ferris 1937). 18) Pseudaonidia duplex (after Ferris 1937).

Figures 4-6. Diaspididae spp., habitus, detail of venter of L1 lobes, and pygidium ventral (left) and dorsal (right) (after Brimblecombe 1957). 4) Achorphora obliqua. 5) Acontonidia triangulari. 6) Aspidonymus woodwardi.