8 THE SUGAR-CANE INSECTS OF HAWAII. 
Sugar-cane Insects—Continued. Page. 
The sugar-cane mealy-bug (Pseudococcus calceolarix Mask.)............--- 43 
Teen tity: 525 pc oe ae ge ee 43 
Related ‘species... 22522 2 BS. sa Re ee oe er, Bes cos, ee 43 
Food plantss: ...5 22 sos 235 oe a SE 43 
Lhife history“and*habitsis2. Sees eee ee 44 
Controls. 2s A Ee ee er Soil 5: 44 
Selection of seed* came tes 8s ex were oes 4. i ee 4 
Burning of the tras lai. iy eee anon ee eee aise ie age ore eee 44 
Natural enemies 22-22. “2335 Se eae ce Scent hs) A Ee 45 
Miscellaneous insects affecting sugar cane in Hawaii-.....-..-.....---.--- 45 
Ratsimjuring crowing sugar camesune lawl ee wer renee 2 ee 47. 
L600 (2) eee Ce wren noe CSU OL i a ate. ae aca sca bees a usies 49 
Hb eS TRATIONS. 
PLATES. 
Page. 
Prank Map of the daweaiam alislamc sees se eee eee Frontispiece. 
II. The sugar-cane leafhopper (Perkinsiella saccharicida). Fig. 1.—Egg 
chambers in midrib of cane leaf, shghtly enlarged. Fig. 2.—Eggs, 
greatly enlarged. Fig. 3.—First-stage nymph. Fig. 4.—Second- 
stage nymph. Fig. 5.—Third-stage nymph. Fig. 6.—Fourth- 
stagemympht > hig. 7-— Adult males) 2.025) see aee eee 16 
III. The Hawaiian sugar-cane leaf-roller (Omiodes accepta). Fig. 1.— 
Adult moth. Figs. 2, 3, 4, 5.—Larve and details. Fig. 6—Pupa 
and details. Fig. 7Apex of cremaster, showing the curled 
spines by which the pupa is fastened to the cocoon. Fig. 8.— 
Cluster of 4 eggs in groove on surface of leaf. Fig. 9—Eggs more 
highly enlarged. Fig. 10.—Leaf spun together for ‘‘retreat”’ or 
hiding place of caterpillar; shows where caterpiilar has eaten. 
Fig. 11.—Leaf, showing spots where a very young caterpillar has 
eaten, leaving one epidermis intact, instead of eating holes 
through=the leatsi.. 2 e280 Sane alee eee eee 42 
IV. The sugar-cane mealy bug (Pseudococcus calceolarix). Fig. 1.— 
Adult mealy-bugs clustered about the base of young cane. Fig. 
2.—Adult female, twice natural size. Fig. 3.—A single adult 
female, with white mealy-like covering. Fig. 4.—Cocoons of male 
an eal y= Ug gx. 5csieg Sete ey aay ae ae ee eg 44 
TEXT FIGURES. 
Fig. 1. The sugar-cane leafhopper (Perkinsiella saccharicida): Adult female, 
much enlarged; ovipositor, greatly enlarged......-.....--.--------- 17 
22 An-aplary Near a.sugar-cane field = eee ys a ee ee ee 21 
3. Yellow Caledonia sugar cane, a variety which is replacing Lahaina and 
Rose Bamboo m the Hawanan Islandss:-- 7.9.5. 555 e eeee eee 24 
4. The Hawaiian sugar-cane borer ([Sphenophorus] Rhabdocnemis obscurus): 
Kegs; larvee; pupa, cocoon, adults 3525 Saas 5 ee eee one area 35 
5. The Hawaiian sugar-cane borer: Work in sugar cane.....-...-- fois Tee el 38 
