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Genus Metaphalara Crawford.
1925. Crawford, Broteria, Série Zoológica 22, 60.
We are utilising this genus for the reception of a single New Zealand species of doubtful position of which we have but two females. The genus has as its type a South American species, Metaphalara cannela Crawford, and is characterised by its author as follows:—“Head not much deflexed; vertex broader than long, turned down in front between antennal bases; genal cones wanting; frons visible from beneath as a long, narrow sclerite between genae, with anterior ocellus at its front end; clypeus elongate, piriform. Eyes more or less hemispherical. Antennae moderately long, about twice as long as width of head or longer, rather stout.
“Thorax not much arched. Hind tibiae with several small spines at apex and basal tarsus with two black claws. Fore wings membranous, more or less hyaline, broadly rounded at apex, with a pterostigma.
“Male anal valve produced caudad into two finger-like processes in Aphalara.”
To the genus Crawford has referred two other species, Paurocephala ilicis (Ashmead) and Paurocephala spegazziniana (Lizer), the former from North and the latter from South America. He states that the genus is “more or less midway between Aphalarinae and Pauropsyllinae in its relationship to other genera.” With the characterisation as given by Crawford our New Zealand species agrees rather well.
Metaphalara zealandica, sp. n. (Pl. 15, Figs. E, G, H, I, J, N.)
Specimens Examined.—Two females, the holotype from Arthur's Pass (J. G. Myers) and a paratype from Bluecliff.
Colour.—No notes available. Wings very slightly brownish, the fore wings with a slightly darker brown border along the posterior margin of the clavus, the hind wings with a similar border along the costa.
Structure.—Antennae about twice as long as width of head, rather slender, presenting no unusual features. Head (Pl. 15, Fig. E) with the characteristics of the genus; anterior ocellus very obscure; anterior margin showing a slight tendency toward the birostrate appearance which is more or less characteristic of the Cherminae (Carsidarinae).
Thorax presenting nothing unusual. Pleurites of prothorax normally developed, the pleural suture Y-shaped. Posterior tibia without a spine at the base and with several small, black spines at apex (Pl. 15, Fig. N). Posterior tarsi with two black, claw-like spines at apex. Fore wings (Pl. 15, Fig. D) with the membrane sparsely beset with inconspicuous punctations; pterostigma long and slender. Posterior wings with the membrane beset with punctations; venation very obscure; formed only a slight concentration of the punctations; radial sector and media and the anal vein alone evident.
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Abdomen with its plates weakly sclerotic, but presenting no unusual features except in the genitalia. Genitalia (Pl. 15, Fig. G) forming scarcely more than a fourth of the length of the expanded abdomen, the dorsal plate abruptly declivous and produced into a slender, acute, apical process which is roughly serrate at the tip (Pl. 15, Fig. I), considerably exceeding the ventral plate; gape of the valves slight. Ovipositor with the apices of its lateral pieces expanded, diagonally truncate and serrate (Pl. 15, Fig. J) and with the palps transversely striate.
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Explanation of Plate 7.
Powellia vitreoradiata (Maskell)
.
A. Lateral aspect of male.
B. Markings of derm of thorax.
C. Apex of tibia of middle leg.
D. Base of tibia of posterior leg.
E. Apex of femur of posterior leg.
F. Outer and inner aspects of apex of posterior tibia.
G. Genitalia of male.
H. Portion of circum-anal pore ring of adult female.
I. Head, left side dorsal, right side ventral.
J. Inner face of clasper of male.
K. Genitalia of female.
L. Posterior tarsus.
M. Antenna, with enlargement of last two segments.
N. Detail of apex of genitalia of female.
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Explanation of Plate 8.
A. Powellia vitreoradiata (Maskell), fore wing.
B. The same, hind wing.
C. The same, alar radula.
D. The same, detail of hind wing.
E. Powellia subacuta, sp. n., head.
F. Powellia falcata, sp. n., fore wing.
G. Powellia colorata, sp. n., head.
H. Powellia emarginata, sp. n., fore wing.
I. Powellia fasciata, sp. n., head.
J. Powellia bifida, sp. n., wing.
K. Powellia curta, sp. n., head.
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Explanation of Plate 9.
A. Powellia fasciata, sp. n., fore wing of paratype.
B. Powellia falcata, sp. n., claspers of male.
C. Powellia decurvata, sp. n., fore wing.
D. Powellia emarginata, sp. n., claspers of male.
E. Powellia colorata, sp. n., fore wing.
F. Powellia emarginata, sp. n., genitalia of female.
G. Powellia obfusca, sp. n., fore wing, pigmentation not indicated.
H. Powellia acuta, sp. n., fore wing.
I. Powellia bifida, sp. n., genitalia of male.
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Explanation of Plate 10.
A. Powellia acuta, sp. n., genitalia of female and detail of same.
B. Powellia curta, sp. n., genitalia of male and inner face of clasper.
C. Powellia acuta, sp. n., genitalia of male and inner face of clasper.
D. Powellia subacuta, sp. n., genitalia of female.
E. Powellia bifida, sp. n., genitalia of female.
F. Powellia subacuta, sp. n., genitalia of male and inner face of clasper.
G. Powellia curta, sp. n., genitalia of female.
H. Powellia decurvata, sp. n., genitalia of female.
I. Powellia decurvata, sp. n., genitalia of male.
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Explanation of Plate 11.
Genitalia of females of:
A. Powellia fasciata, sp. n.
B. Powellia colorata, sp. n.
C. Powellia styligera, sp. n.
D. Powellia equalis, sp. n.
E. Powellia irregularis, sp. n.
F. Powellia obfusca, sp. n.
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Explanation of Plate 12.
A. Psyllia acaciae (Maskell), fore wing.
B. Alar radula of same.
C. Head of same.
D. Psyllia apicalis, sp. n., fore wing.
E. Psyllia albizziae, sp. n., head.
F. Fore wing of same.
G. Psylliae acaciae (Maskell), portion of circum-anal pore ring.
H. Genitalia of female of same.
I. Psylliae albizziae, sp. n., genitalia of female.
J. Psyllia apicalis, sp. n., genitalia of female.
K. Psyllia uncata, sp. n., genitalia of female.
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Explanation of Plate 13.
A. Psyllia acaciae (Maskell), lateral aspect of prothorax.
B. Ctenarytaina fuchsiae (Maskell), lateral aspect of prothorax.
C. Psyllia albizziae, sp. n., genitalia of male and inner face of clasper.
D. Psyllia uncatoides, sp. n., genitalia of male and inner face of clasper.
E. Psyllia uncata, sp. n., genitalia of male and inner face of clasper.
F. Psyllia apicalis, sp. n., genitalia of male and inner face of clasper.
G. Psyllia albizziae, sp. n., apex of posterior tibia.
H. Psyllia acaciae, sp. n., apex of posterior tibia.
I. Same, genitalia of male and inner face of clasper.
J. Ctenarytaina fuchsiae (Maskell), comb of setae at apex of middle tibia.
K. Same, fore wing.
L. Same, hind wing.
M. Same, detail of arrangement of punctations on fore wing.
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Explanation of Plate 14.
A. Ctenarytaina pollicaris, sp. n., genitalia of female.
B. Ctenarytaina thysanura, sp. n., genitalia of female and detail.
C. Ctenarytaina fuchsiae (Maskell), genitalia of female and details.
D. Same, head.
E. Ctenarytaina clavata, sp. n., genitalia of female.
F. Ctenarytaina thysanura, sp. n., head.
G. Ctenarytaina clavata, genitalia of male and inner face of clasper.
H. Ctenarytaina thysanura, sp. n., genitalia of male and inner face of clasper.
I. Ctenarytaina fuchsiae (Maskell), genitalia of male and inner face of clasper.
J. Ctenarytaina pollicaris, sp. n., inner face of clasper and detail.
K. Ctenarytaina fuchsiae (Maskell). apex of posterior tibia.
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Explanation of Plate 15.
A. Pauropsylla myersi, sp. n., fore wing.
B. Same, apex of antenna.
C. Same, cephalic and caudal aspects of head.
D. Metaphalara zealandica, sp. n., fore wing.
E. Same, head.
F. Pauropsylla myersi, sp. n., genitalia of female and detail of pore ring.
G. Metaphalara zealandica, sp. n., genitalia of female.
H. Same, detail of circum-anal pore ring.
I. Same, apex of dorsal plate of genitalia.
J. Same, apex of blade of ovipositor.
K. Pauropsylla myersi, sp. n., posterior coxa.
L. Same, lateral aspect of prothorax and rostrum.
M. Same, posterior tarsus.
N. Metaphalara zealandica, sp. n., apex of posterior tibia.
O. Pauropsylla myersi, sp. n., apex of posterior tibia.
P. Same, genitalia of male and inner face of clasper.
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Explanation of Plate 16.
Nymphs of:
A. Psyllia uncata, sp. n.
B. Ctenarytaina thysanura, sp. n.
C. Same, detail of circum-anal pore ring.
D. Same, seta from apex of abdomen.
E. Powellia vitreoradiata (Maskell).
F. Same, sectasetae.
G. Same, empodium.
H. Psyllia acaciae (Maskell).
I. Same, seta from margin of abdomen.
J. Same, detail of circum-anal pore ring.
K. Psyllia albizziae, sp. n., seta from margin of body.
L. Psyllia acaciae (Maskell), empodium.