clypeal

Nasal suture: = clypeal suture; q.v. Nasus: anterior termination of the face in certain Hymenoptera: the clypeus or a modification of it: in Odonata, the upper portion of the clypeus = supra-clypeus = postclypeus.

Explanation of Terms Used in Entomology John. B. Smith

Phallus: = penis: q.v. Pharyngeal pump: = sucking pump; q.v. Pharynx: the back part of the mouth and upper part of the throat: a slight enlargement at the beginning of the oesophagus: in Diptera is sometimes restricted to the space between the hypopharynx and sub-clypeal pump, and is then = sub-clypeal tube.

Explanation of Terms Used in Entomology John. B. Smith

Frontal suture: Diptera; separates the frontal lunule from that part of the head above it: in Coleopteran; = clypeal suture.

Explanation of Terms Used in Entomology John. B. Smith

OEsophageal bulb: = sub-clypeal pump; q.v. OEsophageal diverticula: = food reservoirs (q.v.); but more generally applied also to any sac-like structure connected with the gullet.

Explanation of Terms Used in Entomology John. B. Smith

The head is longer vertically than horizontally, the frontal, or clypeal region is broad, and greater in extent than the epicranio-occipital region.

Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses 1872

The antennæ are inserted high up on the head, next the ocelli, falling down over the clypeal region.

Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses 1872

From this time begins the process of degradation, when the insect assumes its Thysanurous characters, which consist in an approach to the form of the Myriopodous head, the front, or clypeal region being reduced to a minimum, and the antennæ and eyes brought in closer proximity to the mouth than in any other insects. "

Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses 1872