The Cane Grubs of Australia, Sil 
‘THE RELATIVE NUMBERS OF LEPIDIOTA ALBOHIRTA IN RANDOM COLLECTIONS 
oF GRUBS. 
| | 
Species— Albo- | Anoplog.- Miscel- | Caca- | | Xylo- 
533. | hirta | nathus. \laneous.| chroa. | 377 | 646. | 678. | trupes, 
27) eee a here 
Total 619 4,313 | 1,871 | 60 | 556 | 246 3 16 322 
| | | 
Species— | 
Dasygnathus. | 349. 89. | 364. | 655 and} 576. 45. | 607. | 609. | 587 and 
| 434. 650. 
Total 215 | 15 76 12 680 270 2 20 | 8 182 
21 
29 
The grand total is 9,577. It would seem, then, that, of all the soil- 
infesting scarabeid grubs at all commonly met with in the various 
natural and artificial habitats in the vicinity of Gordonvale, albohirta is 
commonest. Nearly every other specimen met with is this species, as the 
figures show. 
Tue RELATIVE ABUNDANCE OF THE SPECIES IN THE CANEFIELDS. 
The following table shows this in random collections of larve from 
fields of cane :— 
Tur RELATIVE ABUNDANCE OF LEPIDIOTA ALBOHIRTA IN RANDOM COLLECTIONS 
FROM CANEFIELDS. 
| 
Species— \ | 
Anplognathus. 89. Albohirta. 45. | 576. | 533. | 607. | Dasygnathus. 
| t 
1,369 | 58 3,804 1 1 332 1 111 
{ 
: L x 
Species—| | | Miscel- 
laneous. Cacachroa. | Xylotrwpes. | 434 653. | 650 
609. | 349. | 377. 
5 2 158 177 
The grand total is 6,172. Thus in canefields every other scarabeid 
larva met with is this species. 
THe RELATIVE ABUNDANCE OF THE SPECIES UNDER STOOLS oF CANE. 
Without actually watching with greatest care, the evidence of injury 
tc eane is best obtained by collecting species from beneath cane-stools, 
especially in fields where the crop is showing obvious injury, or the roots 
have been eaten. Evidence by observation is very difficult to obtain, 
owing to the hidden life of the larve. The following table summarises, 
