Field and Laboratory Techniques for Evaluating Hemlock Sawfly Infestations (Classic Reprint)

Name: Field and Laboratory Techniques for Evaluating Hemlock Sawfly Infestations (Classic Reprint)
Brand: Forgotten Books
Availability: OutOfStock
Rating: 5 (1 reviews)

By Hard, John S.

0 - Default Title

Description

Excerpt from Field and Laboratory Techniques for Evaluating Hemlock Sawfly Infestations<br/><br/>Figure 2.-feeding colony of early instar hemlock sawfly larvae. Note-character of needles which have been fed upon. Figure 3. Â ~hemlock sawfly cocoon showing the evenly cut margin of cap resulting from normal sawfly emergence. Figure 4.-severe defoliation of mature western hemlock caused by hemlock sawfly.

Product details

Number of Pages:

30

Release Date:

2017-11-19

Publication Date:

2017-11-19

Publisher:

Forgotten Books

Languages:

Published: English, Original: English

ISBN10:

033140513X

Weight:

200 g

Buy on Amazon

Currently sold out