214 THE COCCIDAE 



The body of the adult female as viewed from above resembles 

 somewhat in general appearance an eriocoecid nymph of the first 

 stage, but the segmentation is indicated more distinctly and the 

 body is more depressed. The eyes are present, located on the 

 dorsal aspect, near together and near the cephalic portion of the 

 body. The antennae are small, consist of three or six segments, 

 and are articulated to the ventral aspect of the head, distant from 

 each other and from the rostrum, which consists of two segments. 

 The legs are long and project beyond the lateral margin of the 

 body, probably due in great part to their articulation to the 

 sternum very distant from each other. They usually lack the 

 suture between the tibia and tarsus. Each bears a few long 

 setae, but lacks digitules. The claws are bluntly toothed on the 

 ventral side at the proximal end. The mesothoracic spiracles are 

 located near to and laterad of the prothoracic legs while the 

 metathoracic spiracles are located a short distance caudad of the 

 mesothoracic legs. A third pair of spiracles, those of the first 

 abdominal segment, are located just caudad of the metathoracic 

 legs. The caudal abdominal segments have chitinized areas which 

 are considered by Newstead as similar to the pygidium of the 

 diaspidids. These plates bear large circular cerores which are dis- 

 tributed over the segments or are arranged in groups as in socialis 

 near each lateral margin of the ventral aspect of segments one to 

 three. There is in this species on the lateral margin of segments 

 one to four small groups of short broad tubular ducts which open 

 on the dorsal surface. The lateral margin of each segment of the 

 thorax and abdomen bears a group of three or four long slender 

 setae. The abdomen does not contain ceratubae or oraceratubae, 

 structures which are so characteristic of all diaspidids. The size of 

 the body of the adult female is remarkable, as Green states, in 

 socialis it is 1.25 mm. long and 0.80 mm. wide, while the scale has 

 a diameter of 5 mm. The female deposits her eggs which are long 

 and purplish in color under her scale where they are mixed with 

 the cocoons of the male. 



The adult male is known only in socialis Green. The body is 

 yellowish in color. The head is rounded, bears four simple eyes 

 or ocellanae, two dorsal and two ventral, and two antennae, each 

 consisting of seven segments. The distal segment bears four 

 knobbed setae and the other segments bear numerous small conical 

 setae. The wings are large and held in place by prominent halteres. 

 The caudal end of the abdomen bears a slender stylus that is more 



