词汇 | frons |
释义 | BETA Examples of fronsfrons isn’t in the Cambridge Dictionary yet. You can help! The sides of the frons are flat, this part of the head being strongly compressed. Frons with polished, weakly elevated projection extending from median ocellus at least half the distance to torulus. Frons with median pit adjacent anterior ocellus, posterior ocelli margined laterally with weak, anteriorly diverging grooves. The head of the female is grey with a wide frons, black frontal stripe and grey sides. The head is grey with a wide frons. Frons with polished, weakly elevated projection extending from the median ocellus at least half the distance to torulus. This is probably the case owing to the colour of the frons, but in ochriceps there appears to be a moderately strong medial band. Frons and vertex densely setose; frons densely punctate, vertex more sparsely and weakly punctate. Frons polished and weakly punctate, the punctures anteriad the ocellar field sparse and shallow; ocellar triangle arranged to form an obtuse triangle with a slight depression anteriad the median ocellus. In both the arista and frons are bare, the head is not short, and there is a well-developed greydusted pattern on the dorsum of the thorax. Allied to occipitale but differs in blackish frons and absence of grey markings on the abdomen. |
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