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Lobe A prominent rounded process found on the cuudal margin of the pygidium 
in the Diaspinse. 
Mesad — Toward the median line. 
Mesal — Relating to the middle. 
Metamorphosis — Change of form during development. 
Millimetre (mm.)— The 1000th part of a metre; approximately equal to the 
twenty-fifth part of an inch. 
Oviparous — Laying eggs. 
Oviposition— The act of laying eggs. 
Parasitised — Affected by parasites. 
Parthenogenesis — Reproduction by the female without intercourse with the male, 
by internal budding. 
Pellicles — Exuvise. 
Plates, or squames— Broad, flat, horny, transparent organs found along the 
posterior and lateral edges of the body of some of the Coccidae. 
Process — Any noticeable projection or extension of the body. 
Puparium— Covering scale of the Diaspina;. 
Pupa — The chrysalis. 
Pygidium — Caudal portion of the atidomcn of the Diaspina; formed by the fusion 
of a number of segments. 
Sac — The cottony covering secreted by some Coccida:. 
Scale— The covering of the Diaspinse, formed of cast-off skins and excretions, also 
the waxy covering of the male Lecanid. The word is often used as a general 
term for any insect belonging to the family of Coccida; whether they produce 
a scale or not. 
Secretion — Matter produced by the various glands of the body. It may be made 
of closely-woven fibers as in the Diaspina;, or be waxy, cottony, or mealy. 
Secretory — Concerned in the process of secretion. 
Segments, Somites — The transverse divisions of the body. 
Seta — A bristle or long, stiff hair. 
Setiferous — Bearing setae. 
Somites — ( See segments ) . 
Spatulate — Flattened and expanded at the tip. 
Si)innerets — The secretory organs found in various parts of the body, consisting 
of internal tubes terminating in pores, spines or conical hairs. In the 
Diaspina: there are found groups of spinnerets in the pygidium, called ven- 
tral, grouped, or circumgenital glands. 
Spiracles — External openings of the trachea;. 
Squames — (See plates). 
Suctorial — Having sucking mouth-parts. 
Tarsi — The distal joints of the leg succeeding the tibia. 
Tarsal — Pertaining to the tarsi. 
Test — The waxy, glassy, or horny covering of various Coccida;. 
Tibia — The joint of the leg between the femur and the tarsi. 
Trochanter — The joint between the femur and tlie coxa, and usually fused with 
the femur. 
Truncate — Having the appearance of having the extremity cut off by a plane 
parallel to the base. 
Ventral — Pertaining to the under .side of the insect. 
Ventral scale — The part of the scale under the insect. 
Wax glands — Glands .secreting wax, found in the pygidium as circumgenital 
glands; also in other parts of the body, hut of different structure. 
