34 



CALIFORNIA STATE COMMISSION OP HORTICULTURE. 



hairs, each surmounting a small conical tubercle, on each side of ven- 

 tral aperture. Antennas with eight joints, the divisions between third 

 and fourth often very indistinct, division between seventh and eighth 

 diagonal; formula variable, joint 8 always considerably the longest, 

 joints 6 and 7 shortest, joints 2 to 5 subequal. Legs rather small but 

 Avell developed; tarsus shorter than tibia; digitules normal. Length, 

 3 to 4.75 mm.; breadth, 2 to 3 mm. 



Young larvae crowded beneath the body of the parent, which is 

 apparently ovoviviparous. 



Male unknown. 



On palms. (In hothouses.) 



Adult Female 

 by red-brown. 



FIG. 15. Coccus hesperidnm (SoftOi uij;l 

 An orange branch thickly infested 



Coccus hesperidum Linn. 



— Bright yellow or greenish yellow, minutely specked 

 with specks sometimes agglomerated into transverse 

 bars, especially on the median ab- 

 dominal regions; in other parts 

 tending to form dotted lines radi- 

 ating from center to margin. Dried 

 specimens straw colored and much 

 wrinkled. Form oblong-oval, often 

 very irregular in outline; narrowest 

 in front; more or less convex above, 

 according to age. Eyes minute, 

 black, marginal. Stigmatic clefts , 

 with three spines; the median one 

 very long and pointed, projecting 

 well beyond margin. Marginal 

 hairs simple, pointed; rarely a few, 

 more particularly at posterior ex- 

 tremity, divided or frayed at tip. 

 Submarginal tubercles, four to five 

 on each side. Scales of anal oper- 

 culum with outer edge slightly 

 longer than base; the latter slightly 

 concave in outline. Derm cells scat- 

 tered, small, circular, inconspicu- 

 ous. Antennae 7-jointed; formula: 

 (3 7)42165. Legs normal. Anal 

 Length, 2.25 to 3.50 mm.; breadth, 1.25 to 



ring with eight stout hairs. 

 2.50 mm. 



The insect is ovoviviparous; living larvtie are usually found beneath 

 the body of the parent. 



