8 THE SUGAR-CANE INSECTS OF HAWATI. 
Sugar-cane insects—Continued. Page. 
The sugar-cane mealy-bug (Pseudococcus calceolarix Mask.)........--.----- 43 
Identity 22.22. 2.00.6. den8s oe tere Seeee eae ee 43 
Related species... : ss). 92.0. tits cc cits 2 oe aE a ee 43 
Food plants? ...-- 22, Ao teehee eee ee ee 43 
Life history ‘and. habits: 2225-22 2.5 ee eee eee 44 
Control... 23 cee. eee ee See RACES ae ee 44 
Selection of ‘seedcatiess. ss oh es ees ee ee 44 
Burningiof the-trash! 22 522 eo See ee 44 
Natural enemilés.: ix: wide ig fore 2s oe Sek coe eee 45 
Miscellaneous insects affecting sugar cane in Hawaii......-............--- 45 
Rats injure prowane sugar ame nile ene ee ee eee eee 47 
Ind 6x5 22.322 Ree besicre Seis oe a ee Se ae ie 49 
TELS RATT ON se 
PLATES. 
Page. 
Poare J, Map of the Hawaiian islands. -.. 222 jo. 22 seescoce- aascoee Frontispiece. 
II. The sugar-cane leafhopper (Perkinsiella saccharicida). Fig. 1.—Egg 
chambers in midrib of cane leaf, slightly enlarged. Fig. 2.—Eggs, 
greatly enlarged. Fig. 3.—First-stage nymph. Fig. 4.—Second- 
stage nymph. Fig. 5.—Third-stage nymph. Fig. 6.—Fourth- 
stage nymph. Hie! 7:—Aduiltimalem: seers] ee eee 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. 7.—Apex 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 caterpillar has eaten. 
Fig. 11.—Leaf, showing spots where a very young-caterpillar has 
eaten, leaving one epidermis intact, instead of eating holes 
throtigh thedeafiys. 15 See ee ee er ene a ees 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 
mealy-bug® 02: wectides Aha Oe Weeki: Ste ee ee eS 44 
TEXT FIGURES. 
Fig. 1. The sugar-cane leafhopper (Perkinsiella saccharicida): Adult female, 
much enlarged; ovipositor, greatly enlarged..............:.-------- 17 
2. An aplary near a sugar-cane fiel dzyiaeo- ass 5- = see ee eee eee 21 
3. Yellow Caledonia sugar cane, a variety which is replacing Lahaina and 
20se Bamboo in the Hawaiian Jslands......2224<.<ben ease eee ee 24 
4. The Hawaiian sugar-cane borer ([Sphenophorus| Rhabdocnemis obscurus): 
Kees, larvee, pupa, Cocoon, adiiltanas sass ae oes a ee 35 
5. The Hawaiian sugar-cane borer: Work in sugar cane.......--..------- 38 

