REPORT OF THE STATE ENTOMOLOGIST 1901 853 



Predaceous insects 

 Some predaceous insects are most efficient aids in controlling 

 insect depredations. The syrphid flies and ladybugs are ex- 

 amples of well known enemies of plant lice. 



140 Potter wasp, Eumenes fraternus Say 



141 Bigger wasp, Bembex fascia t a Fabr. 



142 Sphaerophoria cylindrica Say 



143 Syrphus ribesii Linn. 



144 Margined soldier beetle, Chauliognathus m a . r - 

 g i n a t u s Fabr. 



145 Pennsylvania soldier beetle, Chauliognathus 



pennsylvanicus DeG. 



Ladyhugs, Coccinellidae 

 Plant lice or aphids find some of their most serious enemies 

 in this group. 



146 B r as c h y a c a n t h a u r s i n a Fabr. 



147 Twice-stabbed ladybug, Chilocorus bivulnerus- 



Muls. 



148 15 spotted ladybug, Anatis ocellata Linn. 



149 Two spotted ladybug, Adalia bipunctata Linn. 



150 Coccinella. s a n g u i n e a Linn. 



151 Transverse ladybug, Coccinella transversalis 



Muls. 



152 Nine spotted ladybug, Coccinella 9-notata 



Herbst. 



153 Three banded ladybug, Coccinella trifasciata 



Linn. 



154 Parenthetical ladybug, Hippodamia parenthe- 



sis Say 



155 Convergent ladybug, Hippodamia convergent 



Guer. 



156 Spotted ladybug, M e g i 1 1 a m a c u 1 a t a DeG. 



157 Spined soldier bug, Podisus spinosus Dall. 



158 Lace-winged fly, C h r y s o p a species. 



