144 
c. 
Small white grabs, not more than one-fifth of an inch in length, J 
about twice as long as wide, with abdomen but little longer 
than head and thorax, and with tip of body not swollen. 
The Strawberry Root-Worms. 
Colaspis brunnea, Fab. 
Paria aterrima, Oliv. 
Scelodonta pnbescens, Mels. 
i! 
For similar reasons to those mentioned above, the root-worms are 
to be included under this head. All gnaw and perforate the main 
root of the plant, often completely riddling it. Their injuries will be 
fully discussed under the section relating to the fibrous roots. 
E. Injuring the fibrous roots. . 
1. Hard, cylindrical, straight larva (see page 140). 
2. Large white grabs. 
The Common White Grubs. 
Lachnosterna, sp. 
Order Coleoptera. Family Scarab.zeid.ze. 
[Plate VII, Fig. 1.1 
These universally abundant and thoroughly well-known insects 
compel the especial attention of the strawberry grower because o 
their injuries to the roots of his plants. They have been so ire 
quently described and figured in generally accessible works that l 
is not necessary to enter into detail in this connection, but 1 ay 
thought it best to summarize here the essential lacts relating t| 
them. 'If 
The insects commonly known as the “white grubs, or gru | 
worms” (Plate VII, Figs. 1,2), belong to a variety of species wine 
have been clearly discriminated in the beetle stage, but not in tii 
larval condition. They are all large, soft- bodied, thick, white gru 
with yellowish or dark brown heads. The skm is so thin an 
transparent that the air tubes and viscera can be seen througn l 
The adults (Plate VII. Figs. 1, 3 and 4), are the “May beetles 
or “June beetles,” or “dor-hugs,” so abundant in early summe 
when they attract especial notice in their evening nights. l 
bodies are oblong oval, convex, and generally of a brownish cow 
The antennae are commonly ten-jointed, the club consisting ol tn 
leaf-like pieces, which open and shut like the leaves ol a boo 
The clypeus is short and wide, and the mandibles have a bio 
