gUEDiUs. 247 



Black ; elytra, sometimes red ; antennae black or pitcli- 

 brown, third joint much longer than second, penultimate 

 joints a little broader than long ; l(3gs blackish pitch-brown, 

 tarsi lighter. Elytra moderately finely, not very closely 

 punctured; abdomen closely and strongly punctured, more 

 dilfusely so behind. L. 3 — 5 1. Common. 



Q. fuhjidus, Gr. 



B 1. Penultimate joints of antennae 

 strongly transverse. 



a 1. Thorax without lateral impres- 

 sions; elytra not strongly punctured. 



Black, shiny ; elytra red ; antennae and legs black, 

 tibiae and tarsi lighter. Head nearly globose, temples very 

 prominent and not punctured, frontal setae (as in Q. laevi- 

 gatus) approximatetl to the neck, almost in the same trans- 

 verse line with temporal angle, anterior setigerous puncture 

 placed below eyes in the genal line itself ; posterior tarsi 

 rather short and thick. Eare. L. 3i 1. Q. brevicornis, Th. 



b 1* Thorax with lateral impressions; 

 elytra strongly punctured. 



Black, shiny ; elytra red ; antennae and legs black, tarsi 

 pitchy-red. Head or])iculate-oval, frontal setae placed far 

 before temporal angle and both genal punctures placed 

 above the raised line ; head and thorax very indistinctly 

 punctured at base. Rare. Q. puncticollis, Th. 



Ji b. Scutellum very diffusely punctured. 



Very closely allied to Q. fuJgidus, l^ut with punctures on 

 scutellum ; abdomen rust-red, first two segments blackish. 

 Scarce. L. 4— 4i- 1. Q. truncicola, Fairra. 



b b. Antennae black-brown, with first three 



joints red-yellow. 



Black ; elytra red-brown or dark brown with reddish 



suture ; apex of abdomen and legs red-yellow. Antennae 



shorter than in Q. fulyidus, with penultimate joints more 



strongly transverse ; elytra and abdomen more diffusely 



punctured. L. 3| — 4 1. Not uncommon. Q. cruentus, 01. 



€ c. Antennae red-yellow. 



Pitch-black; antennae (especially at base), legs and 



apical margins of last abdominal segments red -yellow. 



