144 ENTOMOLOGICAL NEWS. [June, 



heaped about the bases of clumps of sycamores, where they can 

 often be observed in immense numbers. 



Hippodamia parenthesis Say. Very rare. Occurs on squash 

 vines at Povvay. Identical with eastern examples in my collection. 



Coccinella q-notata Hbst. Plentiful. Confined to the coast 

 region ; not observed in the interior at least, fourteen years' col- 

 lecting has failed to discover it at Povvay (fourteen miles from 

 coast, elevation 700 feet) and higher altitudes. 



Coccinella californica Mann. Very common. This species, 

 besides being aphidivorous, feeds upon the buds of the wild sun- 

 flower {Helianthus californica}. Interbreeds with the preceding 

 species. 



Coccinella sanguined Linn. Plentiful throughout the county. 



Coccinella abdominalis Say. Not common. Frequents citrus 

 groves, loco-weed (Astragalus leucopsis), and pig-weeds (Cheno- 

 podiuni). 



Psyllobora ttzdata Lee. Plentiful on plants along water courses 

 and in vineyards. Have observed them feeding upon a small 

 aphis infesting the under surface of the grape leaf, where the 

 beetle was also noticed in all stages of development. 



Chilocorus cacti Linn. Quite abundant in certain localities 

 upon Agave americana, Astragalus leiicopsis, and citrus and olive 

 trees infested with the Black Scale. 



Exochomus pilate i Muls. Rare. Occasionally taken with the 

 preceding species on Astragalus leucopsis. 



Exochomus marginipennis Lee. Moderately common on dif- 

 ferent flowering shrubs, especially Primus demissus. 



Scymnus lophanthce* Blais. Vortriede's Ladybird is not widely 

 distributed, occurring mostly on the Coronadian peninsula. In 

 color, the elytra are a shining black, with a feeble purpurescent 

 lustre, and not strongly metallic as stated in my descrption in 

 ENT. NEWS, March number p. 51. Post-coxal arcs distinct in 

 outline, semi-circular; outer margin feebly concave, terminating 

 at apex of metathoracic episternuin. 



Scymnus marginicdllis Mann. Plentiful everywhere. 



Several undetermined species ot Brachyacantha, Hyperaspis 

 and Scymnus. 



* We are informed by the Agricultural Department at Washington that this is one of the 

 introduced Australian species, the name of which has not yut been ascertained. ED. 



