1 with a markedly constant setal formula of 1 1
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106
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Appendix 1
LIST OF HOSTS Achillea millefolium: P. patonkus, P. patonkusellus, P.
pseudopatonkus
Achillea sp.: P. hottest, P. patonkusellus, P. pseudopatonkus Agoseris sp.: P. triangulatus
Ambrosia artemisiifolia: C. jopepperi, P. ambrosiae A. artemisiifolia var. paniculata: P. ambrosiae
A. psilostachya: C. shepherdiae, P. ambrosiae, P. glandulosus Amsinckia sp.: P. amsinckii
Antennaria plantaginifolia: P. antennarius Antennaria sp.: P. antennarius
Arctium lappa: C. elaeagni
Artemisia californica: P. decampus, P. obscuratus, P. quadri- trichus quadritrichus
A. cana: P. pullus, P. rusticatus
A. douglasiana: P. gnaphalodes, P. pseudoglandulosus Artemisia dracunculoides: P. diutius, P. parilis A. filifolia: P. filifoliae, P. zoomontanus A. frigida: P. intermedius, P. pseudoglandulosus A. lactucifolia: P. glandulosus
A. longifolia: P. brevinectarius, P. longinectarius, P. pullus A. ludoviciana: P. gnaphalodes, P. pseudoglandulosus A. tridentata: P. decampus, P. heterohirsutus, P. infrequenus,
P. longipes, P. oestlundi, P. pycnorhysus, P. quadritrichus pallidus, P. quadritrichus quadritrichus, P. rusticatus, P.
spatulavillus, P. zoomontanus
A. tripartita (= A. tridentata var. trifida): P. zoomontanus A. vulgaris: P. brevinectarius, P. glandulosus, P. pseudogland-
ulosus, P. quadritrichus vulgaris, P. zoomontanus Artemisia sp.: P. brevinectarius, P. decampus, P. diutius,
P. heterohirsutus, P. longinectarius, P. longipes, P. pa- tonkusellus, P. pseudoglandulosus, P. quadritrichus (all S . subspecies), P. rusticatus, P. spatulavillus, P. zoomontanus Carduus sp.: C. elaeagni
Chrysanthemum sp.: P. chrysanthemi Chrysothamnus greeni: P. oestlundi
C. nauseosus: P. elongatus, P. gregarius, P. neosporadicus, P. oestlundi, P. packi packi, P. packi brevis, P. palmerae,
P. sporadicus, P. xerozoous
C. nauseosus graveoleus: P. oestlundi, P. packi, P. wasatchii C. nauseosus var. hololeucus: P. palmerae
C. parryi: P. elongatus, P. oestlundi, P. packi, P. xerozoous C. plattensis: P. oestlundi
C. viscidiflorus: P. acanthovillus, P. elongatus, P. gregarius, P. magnautensus, P. oestlundi, P. pycnorhysus, P. utensis Chrysothamnus sp.: P. acanthovillus, P. magnautensus, P.
oestlundi, P. palmerae, P. pycnorhysus, P. sporadicus, P.
stroudi, P. wasatchii, P. xerozoous
Cirsiutn spp. (arvensis, horridulum, lanceolatum, nuttallii, occidentalis, smallii, vulgare): C. elaeagni
Cirsium sp.: C. elaeagni, C. horni Cnicus sp.: C. elaeagni
Cynara spp. (cardunculus, scolymus): C. elaeagni
Eleagnus angustifolia: C. elaeagni, C. hippophaes, C. xanthii E. commutata: C. elaeagni, C. hippophaes
Elaeagnus spp. (longipes, multiftora, pungens, umbellata):
C. elaeagni
Eriogonum sp.: P. amsinckii
Eriophyllum staechadifolium: P. longirostris Franseria discoler: P. ambrosiae
Gutierrezia sp.: P. acanthovillus, P. utensis Haplopappus bloomeri: P. lagacei Helianthus sp.: P. ohioensis
Hippophae rhamnoides: C. elaeagni, C. hippophaes, C.
xanthii
Inula spp. (helenium, royaleana): C. pakansus Polygonum alpinum: C. essigi
Polygonum spp. (hirsutum, hydropiper, hydropiperoides, lapathifolium, pennsylvanicum, persicaria): C. hippophaes Shepherdea argentea: C. elaeagni, C. hippophaes, C. shep-
herdiae
Sonchus arvensis: C. elaeagni Sonchus sp.: C. elaeagni
Xanthium spp. (echinatum, pennsylvanicum, strumarium, strumarium var. canadense): C. xanthii
Appendix 2
HIGHER CLASSIFICATION OF HOST GENERA Family Polygonaceae
Eriogonum, Polygonum Family Elaeagnaceac
Elaeagnus, Hippophae, Shepherdea
Family Boraginaceae Amsinckia Family Compositae
Subfamily Tubuliflorae 107
108
Tribe Astereae
Chrysothamnus, Gutierrezia, Haplopappus Tribe Inuleac
Antennaria, Inula Tribe Helenieae
Eriophyllum Tribe Heliantheae
Ambrosia, Franseria, Helianthus, Xanthium
Tribe Anthemidcae
Achillea, Artemisia, Chrysanthemum Tribe Senecioneae
Petasites, Tussilago Tribe Cynareae
Arctium, Carduus, Cirsium, Cnicus, Cynara Subfamily Liguliflora
Tribe Cichoreae
Agoseris, Lactuca, Sonchus
Appendix 3
LIST OF APHID NAMES
(P. = Pleotrichophorus, C. = Capitophorus) acanthovillus (Knowhon and Smith), P.
ambrosiae Hille Ris Lambers, P.
amsinckii Richards, P.
antennarius, new species, P.
Aphis L.
arctifoliae Shinji [•> elaeagni]
arhangelskii Nevsky [= pakansus]
bitrichus (Knowlton and Smith) [== heterohirsutus]
braggi Gillette [*= elaeagni]
brevinectarius (Gillette and Palmer), P.
brevis, new subspecies, P. packi Capitophorinus Borner carduinus (Walker), C.
cardui [«= elaeagni (in part)]
carthusianus Haviland [«« elaeagni]
Chaetosiphon Mordvilko
chlorophainus (Knowlton and Smith) [«= elongatus]
chrysanthemi (Theobald), P.
cirsii Nevsky [— elaeagni]
coloradensis Hottes [possible subspecies of P. patonkus]
Corylobium Mordvilko Cryptaphis Hille Ris Lambers Cryptomyzus Oestlund
cynariella Theobald [— elaeagni]
decampus (Knowlton and Smith), P.
diutius, new species, P.
Drepanaphis
duponti Hille Ris Lambers, P.
elaeagni (del Guercio), C.
elongatus (Knowlton), P.
eloreagni del Guercio [— elaeagni]
essigi Hille Ris Lambers, C.
feragaeus (Knowlton and Smith) [= elongatus]
filaginus Schouteden, P.
filifoliae (Palmer), P.
flaveolus Walker [— elaeagni]
formosanus Takahashi [— chrysanthemi]
frigidae Knowlton [— decampus (in part), — pseudoglandu- losus (in part)]
galeopsidis Kaltenbach, Cryptomyzus [— hippophaes (in part)]
gillettei Theobald [- hippophaes]
glandulosus (Kaltenbach), P.
gnaphalodes (Palmer), P.
gregarius (Knowlton), P.
gynoxantha Hille Ris Lambers [— horni]
heterohirsutus (Gillette and Palmer), P.
hippophaes (Walker), C.
horni Borner, C.
hottest Hille Ris Lambers, P.
Idiopterus Davis
indica Ghosh and Raychaudhuri, C. hippophaes infrequens [= infrequenus]
infrequenus (Knowlton and Smith), P.
intermedius, new species, P.
inulae Passerini [= pakensus]
javanicus Hille Ris Lambers, C. hippophaes jopepperi, new species, C.
knowltoni, new species, P.
lagacei Hille Ris Lambers, P.
longinectarius (Gillette and Palmer), P.
longipes (Gillette and Palmer), P.
longirostris Hille Ris Lambers, P.
Macrosiphum
magnautensus (Knowlton and Smith), P.
minima Mason [= hippophaes]
mitegoni Eastop, C. hippophaes Myzus Passerini
Nasonovia Mordvilko neosporadieus, new species, P.
nephrelepidis Davis [= hippophaes]
obscuratus Hille Ris Lambers, P.
oestlundi (Knowlton), P.
ohioensis (Smith), P.
packi packi (Knowlton), P.
pakansus Hottes and Frison, C.
pallidus, new subspecies, P. quadritrichus palmerae (Knowlton), P.
parilis, new species, P.
NUMBER 156 109
patonkus (Hottes and Frison), P.
patonkusellus, new species, P.
Pentatrichopus Borner persimilis Borner Phorodon Passerini
pilosus Van der Goot [= glandulosus]
Pleotrichophorus Borner pseudoglandulosus (Palmer), P.
pseudopatonkus, new species, P.
pullus (Gillette and Palmer), P.
pycnorhysus (Knowlton and Smith), P.
quadritrichus (Knowlton and Smith), P. quadritrichus Rhopalomyzus Mordvilko
Rhopalosiphum Koch
ribis L. [= hippophaes (in part)]
rosarum Walker [— tetrarhodus Walker (in part)]
rusticatus (Knowlton and Smith), P.
shepherdiae Gillette and Bragg, C.
spatulavillus (Knowlton and Smith), P.
similis Van der Goot [— pakansus (in part)]
similis Borner, C.
Siphocoryne Passerini sporadicus (Knowlton), P.
stroudi (Knowlton), P.
tetrarhoda (Walker), Chaetosiphon triangulatus, new species, P.
utensis Knowlton, P.
vandergooti Hille Ris Lambers [•« pakansus]
vulgaris, new subspecies, P. quadritrichus wasatchii Knowlton, P.
xanthii Oestlund, C.
xerozoous Knowlton, P.
zoomontanus Knowlton and Smith, P.
110
loterofronlols (If).
mesofrontals (mf)- d f - l df-2 -dorsofrontols (df)
mesothorax
marginal sclerites
antennal segment II . -antennai segment I ----median ocellus _ ..compound eye
" l a t e r a l ocellus
^ocular tubercle
; outer poster of rontols ( o p f ) inner posterofrontals (ipf)
If
mf I
ventral laterofrontals (vlf ) ventrofrontals ( v f ) postclypeols (pc ) mondibulars (md ) anteclypeals ( a c )
monillary p l a t t - - - ' " . lobrum-'"' rostrum, rostral segment IV«V.
. i>asal seta
. .onterolaterol seta ( a l ) ..medioloteral seta ( m l ) . .
• -posterodorsaI seta ( p d ) ^ - -posteroloteral seta ( p l ) - -
marginals
-•spino-pleural sclerites
..post-cornicular sclerite
FIGURES 1-6.—Chaetotaxy of Capitophorus hippophaes hippophaes: 1, dorsum of apt.v.f.; 2, dorsum of abdomen of al.v.f.; 3, dorsal view of head of al.v.f.; 4, ventral aspect of head of apt.v.f.; 5, rostrum IV+V of Pleotrichophorus glandulosus and Capitophorus hippophaes; 6, dorsal abdominal view of al.m. [See pp. 7-8 for explanation of abbreviations.]
NUMBER 156 111
15 14
subgenitai plate
--gonopophyses--" >
"-anol plate-' | /
FIGURES 7-18.—Capitophorus hippophaes: 7-10, dorsum and 11-14, venter of first to fourth instar nymphs showing postembryonic development of dorsal and ventro-terminal chaetotaxy;
15, ventral view of male genital capsule. Ventral view of female abdominal terminalia showing subgenitai and anal plates of: 16, ovip.f.; 17, al.v.f.; and 18, apt.v.f. [See pp. 7-8 for explanation of abbreviations.]
112
19
29
FICUKES 19-29.—Subspecies and morphs of Capitophorus hippophaes: 19, C. h. mitegoni, apt.
v.t from Poona, India, on Polygonum glabrum. C. h. hippophaes: 20, apt.v.f. from Klamath Falls, Oregon; 21, dorsum of male head; 22, variations in caudal shape among female alatae;
23. ovip.f.; 24, 25, fundatrix. C. h. javanicus: 26-28, type, apt.v.f.; 29, apt.v.f. from California, on Polygonum lapathifolium.
NUMBER 156 US
30
FIGURES 30-46.—Species of Capitophorus. C. essigi: 30-32. 36, apt.v.f., paratype; 33-35, al.v.f., paratype; 38, dorsal reticulations of apt.v.f. C. jopepperi: 39, 42-44, al.v.f., paratype; 40, 41, 45, 46, apt.v.f., holotype.
114
FICUKES 47-59.—Capitophorus xanthii: 47, 48, 53, apt.v.f., neotype; 49-51, ovip.f. from Fort Collins, Colorado, on Russian olive (determined as C. shepherdiae Gillette and Bragg, "meta- type"); 52, 54, 55, 59, al.v.f., neoparatypes; 56, male genital capsule; 57, caudal shape of male alata; 58, caudal shape of female alatae.
NUMBER 156 115
60 63
fe ?%«&*#* ->j£ t&^fftw
76
FIGURES 60-76.—Capitophorus shepherdiae: 60, 61, 67, apt.v.f., summer exule, on Ambrosia sp.
from California; 62, 63, apt.v.f., fundatrigenia, on Shepherdea argentea from Colorado; 64-66, dorsal abdominal reticulations of apt.v.f. on Shepherdea (Figure 64), Ambrosia sp. (Figure 65), and A. psilostachya (Figure 66); 68, 69, 72, al.m., from aphid trap (Colorado); 70, 71, al.v.f., summer exule, on A. psilostachya from California; 73-76, al.v.f., fundatrigenia, paratype, on S. argentea from Colorado.
116
78
FICUMS 77-82.—Species of Capitophorus: 77-78, C. elaeagni, apt.v.f., on Cirsium sp. from Minne- sota; 79, C. carduinus, apt.v.f., on Cirsium lanceolatum from Usquert, Netherlands; 80, C.
elaeagni, apt.v.f., on Cynara cardunculus from California; 81, C. horni, ovip.f., on Cirsium sp.
from New Brunswick, Canada; 82, C. elaeagni, ovip.f., on Elaeagnus from Minnesota.
NUMBER 150 117