Section IV. TRIMERA. 



(Beetles with three visible joints to the tarsi.) 



Family XLVIII. COCOINELLID-ffi (Lady Birds). 



Body hemispherical. Antennae with from nine to eleven 

 joints, gradually thickened or clubbed, and inserted in front 

 of the eyes. Tarsi apparently three-jointed, the third joint 

 being hidden in the second. The beetles and their active 

 larvae live on Aphides. 



Genus Hippodamia, Muls. 



Elongated, with the upper surface of the body bare. The 

 antennie are eleven-jointed, and attached at the front margin 

 of the eyes. The legs are rather slender, with the femora 

 somewhat overlapping the border of the body. 



* H. tredeciw punctata, Linn., the Thirteen -spot Lady Bird 

 (Plate XX., Fig. 34). Wing-cases red, with thirteen very 

 variable spots. It is very local, and generally rare. 



Genus Coccinella, Linn. 



Body generally hemispherical. The last joint of the 

 antennte is scarcely narrower at the base than the extremity 

 of the last but one. 



* C. H'fiinctata, Linn., the Two-spot Lady Bird. (Plate 

 XX., Figs. 35, 39). This species is red, with black spots, 

 but is very varialjle, and the black colour sometimes pre- 

 dominates, as in Fig. 36. It is very common. 



* C. decempundata, Linn., the Ten - spot Lady Bird 



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