Key to conifer-infesting species of Lepidosaphes Shimer worldwide (Hemiptera: Coccoidea: Diaspididae), with descriptions of two new species and a redescription of L. pallidula (Williams)
Author
Miller, Douglass R.
Author
Williams, Douglas J.
Author
Davidson, John A.
text
Zootaxa
2006
1362
23
42
journal article
10.5281/zenodo.174698
c8e7454f-0334-4a43-9a57-676fa9489cc4
1175-5326
174698
Key to conifer infesting species of
Lepidosaphes
1 Dorsal ducts absent from submedial areas of segment VII........................................... 2
- Dorsal ducts present in submedial areas of segment VII ............................................ 21
2 Without lateral spurs on abdomen between segments I and II or on segment II........... 3
- With lateral spurs on abdomen between segments I and II or on segment II.............. 14
3 Third space with 2 gland spines .................................................................................... 4
- Third space with fewer than 2 gland spines ............................................................... 10
4 Small or medium macroduct present on dorsum anterior of second lobe .................... 5
- Small or medium macroduct absent from dorsum anterior of second lobe ................. 7
5 Second space with 1 gland spine .................................................................................. 6
- Second space with 2 gland spines
..................................................
L. pallida
(Maskell)
6 Lateral margins of prepygidial segments not long and finger like; submedial ducts about same size on pygidium and prepygidium .............
L. pinea
Borchsenius
(in part)
- Lateral margins of prepygidial segments long, finger like; submedial ducts conspicu- ously larger on pygidium than on prepygidium
................................
L. pinicolous
Chen
7 Without supernumerary perivulvar pores ...................................................................... 8
- With supernumerary perivulvar pores
..................................................
L. pini
(Maskell)
8 Inner lobule of second lobe about 2 times as wide as width of outer lobule; 2 gland
spines in second space................................................................................................... 9
- Inner lobule of second lobe more than 2 times as wide as width of outer lobule; 1 gland spine in second space
.........................................
L. chamaecyparidis
Takagi and Kawai
9 Dorsal submarginal/submedial ducts on segment VI widely spaced ..............................
....................................................................
L. murreeana
Williams and Miller (in part)
- Dorsal submarginal/submedial ducts on segment VI in cluster ...........
L. nivalis
Takagi
10 With 2 gland spines in second space ........................................................................... 11
- With 1 gland spine in second space............................................................................. 13
11 Without supernumerary perivulvar pores.................................................................... 12
- With supernumerary perivulvar pores
...........................................
L. pineti
Borchsenius
12 Dorsal submarginal and submedial ducts on segment 6 widely spaced .........................
....................................................................
L. murreeana
Williams and Miller (in part)
- Dorsal submarginal and submedial ducts on segment
6 in
cluster
......
L. newsteadi
Šulc
13 With 1 gland spine in first space; without small dorsal macroduct anterior of second lobe
................................................................................................
L. juniperi
Lindinger
- With 2 gland spines in first space; with small dorsal macroduct anterior of second lobe ......................................................................................
L. pinea
(Borchsenius)
(in part)
14 Eye not spine like ........................................................................................................ 15
- Eye spine like .............................................................................................................. 19
15 Cicatrices absent.......................................................................................................... 17
- Cicatrices present ........................................................................................................ 16
16 Gland-spine formula 1-1-2
.............................................................
L. yoshimotoi
Takagi
- Gland-spine formula 2-2-3
........................................................
L. cupressi
Borchsenius
17 Head without spinules; without dorsomedial duct between median lobes.................. 18
- Head with minute spinules; thin dorsomedial duct between median lobes.....................
....................................................................................
L. caribaeae
Williams and Miller
18 With 0–5 ducts near base of antennae
...................................
L. sciadopitysi
McKenzie
- With 8–20 ducts near base of antennae
........................................
L. japonica
(Kuwana)
19 With 6 enlarged marginal macroducts on each side of pygidium .............................. 20
- With 7 enlarged marginal macroducts on each side of pygidium
............
piceae
(Tang)
20 Tubular ducts abundant on head and prothorax; antennae with 3 or 4 enlarged setae ... .....................................................................................................
L. junipericola
(Tang)
- Tubular ducts absent or rare on head and prothorax; antennae with 1 or 2 enlarged setae
.........................................................................................
L. pinifolii
(Borchsenius)
21 Without minute spinules on head ................................................................................ 22
- With minute spinules on head ..................................................................................... 26
22 Eye not spine like, usually small dome or absent ....................................................... 23
- Eye spine like .............................................................................................................. 24
23 With 6 enlarged marginal macroducts on each side of pygidium
...
L. keteleeriae
Ferris
- With 4 or 5 enlarged marginal macroducts on each side of pygidium ............................
..................................................................................................
L. araucariae
Beardsley
24 Tubular ducts on head restricted to ventral interantennal areas or absent .................. 25
- Tubular ducts scattered on head on dorsum and venter
...........
L. piniroxburghii
Takagi
25 Submedial macroducts absent from segments I and II; usually with 3 or more subme- dial macroducts on each side of segment VII
......................
L. pseudotsugae
Takahashi
- Submedial macroducts present on segments I and II; usually with 1 or 2 submedial macroducts on each side of segment VII
...............................
L. tsugaedumosae
Takagi
26 Lateral spurs plate like, relatively inconspicuous, with small projection .................. 27
- Lateral spurs cone shaped, conspicuous, without basal plate
.....
L. okitsuensis
Kuwana
27 Ventrolateral area of segment I with cluster of 20 or more tubercle-like gland spines on each side of body
.........................................................................
L. pitysophila
(Takagi)
- Ventrolateral area of segment I with cluster of 10 or fewer tubercle-like gland spines on each side of body
.................................................................
L. piniphila
Borchsenius