Maskell.— (7w New Zealand CoccidfB. 293 



My specimens were on a fern, Phymatodes hillardieri, from Wellington. 



2. Mytilaspis metrosideri, sp. nov. 

 Plate VII., fig. 2, abdomen of female. 



Puparium white, pyriform. Female in all stages dark-coloured ; in last 

 stage nearly black. General outline resembling M. drimydis, but the abdo- 

 men is much sharper and more pointed, with a finely- serrated edge, ending 

 in three minute-pointed lobes joined by a scaly process. Spinnerets in an 

 almost continuous arch, which may be resolved into five groups ; 70 or 80 

 openings ; several single spinnerets. The rudimentary antennae can be 

 made out. 



The young female has an elongated oval outline, little corrugated. The 

 feet, digitules, antennse, etc., resemble those of M. poniorum. The abdomen 

 is like that of the adult, without the groups of spinnerets. 



I have not the male of this species. 



My specimens are from the rata tree. 



3. PoLiASPis, gen. nov. 



This genus is characterized by having the spinnerets in more than five 

 groups, and in a double row, the edge of the abdomen as in Diaspis. 



Signoret forms a genus, Leucaspis, which possesses the same character ; 

 but it has also a fringe of spiny hairs set close together round the edge of 

 the abdomen, which fringe is absent in Poliaspis. 

 Poliaspis media, sp. nov. 

 Plate VII., figs. 3-5. 



The puparium is white, broad. The adult female, which may reach Jj- 

 inch in length, resembles in outline Mytilasjm pomorum : it is usually 

 greenish- white, and shows the rudimentary antennae. The abdominal ex- 

 tremity is much jagged, with a median depression as in Diasjm roscc, and with 

 a few scattered hairs. There are eight groups of spinnerets ; four, containing 

 each from twenty to thirty orifices, are placed in opposite pau'S, the fifth, 

 with four to six orifices, being between the upper pair ; above these, three 

 other groups form an arch, the two outer ones having eight to ten openings, 

 the middle one three to five. Many single spinnerets follow the corruga- 

 tions of the body as in Mytilaspis cordylinidis. 



The male insect is of a bright scarlet or deep orange colour. The 

 antennae, covered with longish hairs, have ten joints ; the first two very 

 short and thick ; the next five long, equal and cylindrical ; the eighth and 

 ninth somewhat shorter ; the tenth fusiform and as long as the seventh. 

 The legs are rather long ; the femur thick, the tibia more slender, broaden- 

 ing towards the tarsus, which is about one-third as long as the tibia, and 

 narrows sharply down to the claws. Both tarsus and tibia are hairy. The 



