18 



BULLETIN 1243, U. S. DEPARTMENT 01 AGRICULTURE. 



Table 4. — Hibernation of the Mexican bean beetle, Birmingham, Ala., winter of 



1921-22. 



Hill No. 



Number 



of 

 searches. 



Number 

 of square 



feet 

 covered. 



Number 



of 

 colonies 

 found. 



Number 

 of beetles 

 found in 

 colonies. 



Number 

 of single 

 beetles 

 found. 



Total 

 number 

 of beetles 



found. 



1 



10 



20 



25 



3 



4 



3 



17 



5 



42 



7 



7 



12 



27 



12 



5 



19 



6 



8 



9 



10 



6 



11 



11 



6 



8 



5 



7 



5 



5 



13 



13 



13 



13 



12 



9 



7 



7 



7 



62 



515 



1,023 



1,686 



344 



374 



196 



420 



1,896 



7,989 



690 



1,075 



629 



2,287 



882 



500 



644 



488 



991 



1,113 



1,750 



968 



936 



1,152 



376 



339 



480 



360 



603 



35 



1,433 



476 



478 



390 



364 



361 



291 



580 



559 



5,086 





 3 

 

 1 

 

 

 

 

 4 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 4 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 





 649 

 

 30 

 

 

 

 

 233 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 380 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 



3 

 154 



63 



32 

 3 

 1 

 



43 



287 







1 



26 



34 

 



38 

 2 

 

 

 

 267 

 2 

 3 

 

 2 

 

 

 4 

 1 

 



11 

 

 



12 

 

 

 

 

 

 9 



3 

 803 



63 



62 

 3 

 1 

 



43 



520 







1 



26 



34 

 



38 

 2 

 

 

 

 267 

 2 

 3 

 

 382 

 

 

 4 

 1 

 



11 

 

 



12 

 

 

 

 

 

 9 



2 



3 



4 



5 



6 



7 



8 



9 



10 



11 



12 



13 



14 



15 



16 



18 



19 



20 



21 



22 



23 



24 



25 



26 



27 



28 



29 



30 



31 



32 



38 



39 



40 



41 



12 



43 



44 



45, Watt's farm 



Total 



471 



40, 759 



12 



1,292 



998 



2,290 





Table 5.- 



-Hibernation of the Mexican bean beetle, Birmingham, Ala., winter of 

 1922-28. 



Hill No. 



Number 



of 

 searches. 



Number 

 of square 



feet 

 covered. 



Number 



of 

 colonies 

 found. 



Number 

 of beetles 

 found in 

 colonies. 



Number 

 of single 

 beetles 

 found. 



Total 

 number 

 of beetles 



found. 



1 



13 

 20 

 59 

 46 

 15 

 45 

 15 

 27 

 77 

 21 

 38 

 15 

 27 

 7 

 23 

 36 

 39 

 37 

 39 

 23 

 13 

 30 

 56 



554 

 1.276 

 4,933 

 3,449 



522 

 4,334 



557 

 1,958 

 7,484 

 1,042 

 4,168 



829 

 2,609 



299 

 1,167 

 3,139 

 3,660 

 1,998 

 1,580 

 1,082 



484 

 1,526 

 5,244 





 

 

 

 

 

 

 

 

 

 3 

 

 

 

 

 

 

 

 

 

 

 

 





 

 

 

 

 

 

 

 

 

 167 

 

 

 

 

 

 

 

 

 

 

 

 



1 

 1 



10 



17 

 

 

 

 



14 

 

 145 

 

 3 

 

 2 



31 

 

 



54 

 

 

 4 

 



1 

 1 



10 



17 

 

 

 

 



14 

 

 312 

 

 3 

 

 2 



31 

 

 



54 

 

 

 4 

 



2 



3 



4 



5 



6 



7 



8 



9 



11 



12 



13 



15 



16 



19 



21 



22 



23 



25 



26 



28 



32 



45 



Total 



721 



53,894 



3 



167 



282 



449 





Approximately 12 square miles were included in hibernation scouting. The greatest distance beetles 

 were found from a bean planting is one-half mile. The majority of the beetles found were within one- 

 eighth to one-fourth mile from the nearest bean plantings. 



