72 MALACODEEMA — CLEKIDAE. 



blue, base red ; breast red. Thorax broader than long ; 

 elytra with distinct and regular, but rather fine punctured 

 striae, effaced before apex. L. 2J 1. Common. 



C. ruficollis, Fab. 

 6. Thorax blue, 



I, Antennae and legs red. 



Dark blue. Thorax much broader than long ; elytra 

 with irregular punctured striae, effaced somewhat behind 

 middle. L. 2 — 2| 1. Common. C. rufipes, Fab. 



II, Antennae and legs black. 



Blue. Antennae shorter than head and thorax, ninth 

 joint fully double as broad as, but not longer than eighth, 

 tenth much broader than ninth ; elytra less than twice as 

 long as broad, coarsely punctured in striae, interstices 

 punctured. L. 2 1. Moderately common. C. violaceus, Lin. 



i YMUXYI ONIDAB, 



A. Antennae short, sawlike or (in male) comblike. 



Maxillary palpi gradually a little thickened toward apex 

 in female, with appendages in male ; anterior coxae stand- 

 ing apart ; abdomen with seven ventral segments. 



HylecoeUis, Latr. 

 jB. Antennae rather long, threadlike. 



Mouth parts as in Hylccodus ; anterior coxae approxi- 

 mated ; abdomen with six ventral segments. 



Lymexylon, Fab. 



Hylecoetus, 



Cylindrical ; antennae sawlike. Male black ; legs and 

 sometimes elytra (except apex) yellowish. Second joint 

 of maxillary palpi with two appendages, one of them 

 simple, the other double and bearing many fringed 

 branches. L. 3 — 5 1. Female rust-yellow, eyes and part 

 of breast black. L. 4 — 7 1. Not uncommon. 



H. dcrmestoides, Fab. 



Lymexylon. 



Elongate, cylindrical, pubescent. Male black; base of 

 elytra to middle of suture, abdomen, legs and base of an- 

 tennae yellow. Female ochre-yellow ; head, outer margin 

 and apex of elytra black. L.2| — 4 1. Eare. L. navale, Lin. 



