THE MONTHLY BULLETIN. 



151 



THE BROWN LACEWING. 



SympheroUus angustus Banks (Family HemerobiidEe). 

 (Figs. 133, 134.) 



General Appearance.— The general appearance and shape are con- 

 siderably like the well-known green lacewing, but the wings are not 

 so slender. The ground color is brown with many darker blotches on 

 the wings. 



Life History.— The eggs are deposited among or near suitable prey 

 and hatch into slate-gray and tan-colored larv^, which are very active. 

 One very noticeable characteristic is the constant movements of the 

 head when searching for food. When full grown they are nearly one 

 half an inch long. The larvae. spin thick white cocoons, in which to 

 pupate. This requires but a few days or weeks when the adults emerge. 



Fig. 133. — The brown lacewing. A, larva; B and C, pupse in tlie cocoons. Much 



enlarged. (Essig, P. C. Jr. Ent.) 



Distribution.— Throughout the central and southern parts of the 

 State. 



Hosts.— Many soft-bodied insects including plant lice and scales. It 

 is a very efficient predator on the young of the citrus mealy bug 

 {Pseudococcus citri) . 



Natural Enemies. — This insect would be far more iLseful if it were 

 not in turn preyed upon by a hymenopterous parasite (Isodromus 



