How to know the grasshoppers, crickets, cockroaches, and their allies /
Helfer, Jacques R.
How to know the grasshoppers, crickets, cockroaches, and their allies / by Jacques R. Helfer. - Dover ed. - New York : Dover Publications, c1987. - vii, 363 p. : ill. ; 22 cm.
"An enlarged republication of the second (1972) edition of How to know the grasshoppers, cockroaches and their allies." Includes index.
0486253953 (pbk.)
86029322
Orthoptera--United States.
Insects--United States.
REF QL507.1.U6 / H45 1987
595.7/26
How to know the grasshoppers, crickets, cockroaches, and their allies / by Jacques R. Helfer. - Dover ed. - New York : Dover Publications, c1987. - vii, 363 p. : ill. ; 22 cm.
"An enlarged republication of the second (1972) edition of How to know the grasshoppers, cockroaches and their allies." Includes index.
0486253953 (pbk.)
86029322
Orthoptera--United States.
Insects--United States.
REF QL507.1.U6 / H45 1987
595.7/26