(Page 333) 

 Third joint of maxillary palpi rather strongly thickened to- 

 ward tip (Fig. 109). body of almost uniform breadth, or 



abdomen only tapering posteriorly. L. 3.5-5.5 mm 



2. M. brunneus M arsh. 



4. Elytra with 1-2 fine punctate rows between the punctate suture- 



and dorsal-stripe 5. 



Elytra between the punctate suture- and dorsal-stripe without 

 punctures 6. 



5. Elytra with 2 punctate rows between the punctate suture- and 



dorsal-stripe, also with 1 punctate row between dorsal- 



and side-stripe. L. 4-5.5 mm 3. M. rufescens Steph. 



Elytra between suture- and dorsal-stripe with 1, abbreviated 

 punctate row, consisting of few punctures 6. 



6. Abdomen of rather uniform breadth. Body reddish-yellow, only 



vertex and base of abdominal joints occasionally dark. 



L. 2.5-4 mm 4. U. debilis Makl. 



Abdomen distinctly and gradually tapering 7. 



7. Body black; posterior margin of elytra and often also the 



suture reddish-brown. L. 3-4 mm 5. M. nanus Er. 



Head and abdomen pitch-black or pitch-brown; pronotum and 



elytra reddish-yellow. L. 2.5-3 mm 6. ^i. tenuis t^uls. 



8. Elytra amply 1/3 longer than pronotum. Body black with red 



elytra. L. 4.5-6 mm 7. Z. splendens Uarsh. 



Elytra scarcely longer than pronotum. Body yellowish-red with 

 darker abdomen. Species smaller 9. 



-81- 



