130 June, 



MORDELLISTENA HUMEEALIS, Linn. 



S . Anterior tibiae strongly curved ; apical joint of the maxillary palpi sub- 

 triangular, the second joint dilated towards the apex and curved. 



? . Apical joint of the maxillary palpi oblong-subtriangular, the second joint 

 triangular, with the inner apical angle acute, the third joint narrow. 



I have never seen a British example of M. lateralis (Oliv.), as 

 defined by Schilsky, regarded by some authors (including Schilsky) as 

 distinct from M. humeralis, and by others as a variety of that species. 

 British specimens of M. humeralis vary a good deal in the colour of 

 the thorax and in the extent of the fulvous humeral patch of the 

 elytra. Olivier' s figure agrees better with M. humeralis than with 

 Schilsky's definition of M. lateralis. 



MoRDELLiSTE]S"A Neuwalde&ghana, Panz. (Jbrunnea, Fabr.). 



$ . Apical joint of the maxillary palpi oblong-subtriangular, the second joint 

 slightly dilated towards the apex ; anterior tibise strongly curved ; antennae mode- 

 rately long. 



? . Apical joint of the maxillary palpi more rounded on the inner side ; an- 

 tennae shorter. 



In this species the antennse appear to be constantly much longer 

 in the male than in the female. Panzer's name antedates that of 

 Fabricius by five years, and it is adopted in the " Munich Catalogue," 

 as well as by Schilsky and other writers. 



Moedellistena beevicauda, Muls. 



<? . Anterior femora ciliate ; anterior tibiae slightly thickened near the base ; 

 pygidium about twice the length of the hypopygium. 



$ . Pygidium about one-half longer than the hypopygium. 



Moedellistena pumila, Gyll. 



(J . Anterior tibiae slightly thickened near the base ; antennae moderately long. 



? . Antennae shorter. 



Some authors also use the relative width of the fourth and fifth 

 antennal joints as a sexual character, but I am unable to verify this. 

 The pygidium is long and acute in both sexes. 



Moedellistena paevula, Gyll. 



S . Narrow ; anterior tibiae strongly curved, a little thickened near the base ; 

 second joint of the maxillary palpi slightly swollen ; pygidium moderately long. 



? . Broader ; second and third joints of the maxillary palpi narrower than in 

 the male ; pygidium shorter. 



Horsell, Woking : 



April 28tk, 1898. 



