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Volume 79, 1951
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– 357 –

Phyllocoptes coprosmae sp.n.

Female: 180μ long, 57μ thick, spindle shaped and tapering posteriorly. Rostrum 23μ long, at right angles to body. Thoracic shield 38μ long, 45μ wide, with a median striation, two major sub-median longitudinal striations and several sinuate lateral striations. The posterior margin of the shield somewhat sinuate. Short anterior lobe overhanging rostrum. Two dorsal setae 30μ long and 23μ apart, located in front of rear shield margin and pointing upwards.

Forelegs 27μ long; feather-claw 5μ long with 4 compound lateral rays; claw bristle 8μ long with a slight knob; tarsus 6μ long; tibia 6μ

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long. Hindlegs 23μ long; feather-claw and claw bristle as above; tarsus 5μ long; tibia 4μ long.

Thoracic seta I, 1·5μ long. Thoracic seta II, 8μ long. Thoracic seta III, 18μ long.

Abdomen with 40 tergites with smooth, elongated blunt micro-tubercles. Tergites larger than sternites. Forty-six postgenital sternites with pointed circular microtubercles. Lateral setae 15μ long, located on ring 6. First ventral setae 38μ long, located on ring 18. Second ventral setae 14μ long, located on ring 32. Third ventral setae 15μ long, located on about the fourth ring from rear. Caudal setae about 60μ long. Accessory caudal setae present, 3μ long.

Epigynium 21μ wide, 12μ long, cup-shaped, located a moderate distance from the coxae. Coverflap irregularly sculptured with approximately two rows of longitudinal striations and some anterior lateral striations. Genital setae 17μ long, directed caudad. (Fig. 13.)

Male: Not studied.

Type Locality: Auckland.

Collected: Galls collected by Miss E. Bray.

Host: Coprosma robusta Raoul.

Relation to Host: Causing leaf erineum.

Type Slide: So designated with the above data. Located in the collection of the Plant Diseases Division, Department of Scientific and Industrial Research, Auckland, New Zealand.