insect pest survey bulletin 
Vol. 19 
Supplement to Number 9 November 15, 1939 
DISTRIBUTION AND EOOD PLANT RECORDS OE Paratetranychus c itri McG. , 
P. ilicis McG., P. pi 1 os us C. & E., Tetranychus pacif icus McG., 
and T. telarius L. 
By Janet E, Mabry and Mary M. Walton 
CONTENTS 
Page _ Page 
Paratetranychus citri McG*-> . 5 & 9 . « Tetranychus pacificus McG 593 
Paratetranychus ilicis McG. ...... . 59-0 Tetranychus telarius L 594 
Paratetranychus pilosus C. &..E, . 591 ■ , 
INTRODUCTION 
The following data have been compiled during the routine work of the Iru. 
sect Pest Survey and to meet special requests for survey information. As all of 
the mites discussed are of economic importance, it is believed that a compilatior 
of such data will be of value to workers in applied entomology. Any additions 
or corrections will be gladly accepted. 
The nam-es of counties are underscored, the word "county” being left out, 
and the names of foreign countries.- and provinces are written in all capital 
letters. 
I 
- Paratetranychus citri McG. 
Distribution in the United States 
Alabama; In the Satsuma orange districts of southern Alabama and neighboring 
Gulf States. 
California: Los Angeles . Claremont in eastern part of the county, San Eernando, 
San Eernando Valley; Orange . La Habra~Whittier area; Rivers ide . Riverside; 
Sant a Barbara : San Bernardino . Upland~Cucamonga , UplancLOntario district, 
Upland; San Diego , Chula Vista, Escondido, Lemon Grove, Rancho Santa Ee, 
San Diego; San Gabriel Valley; San Luis Obispo . San Luis Obispo; Ventura . 
Santa Paula. Note; "Has been observed in every citrus area in southern 
California." — E. A. McGregor. 
Elorida: Orange , Orlando. Infestation heavy over most of the State. Noted in 
the Peninsula in the western and southern parts. 
- 589 - 
