ing a continuous part of
the radial sector; it is the proximal portion of the subnodal sector of
de Selys and Hagen.

Bridge cross veins: Odonata; those cross veins, one or more in
number, extending between M1 + 2 and the bridge (in de Selys
between principal and subnodal sectors) proximal to the oblique vein.

Brin: the fluid silk thread from each salivary gland.

Bristle: a stiff hair, usually short and blunt.

Broken: interrupted in continuity; as a line or band.

Bronze: the color of old brass.

Brood: all the specimens that hatch at about one time, from eggs laid
by one series of parents and which normally mature at about the
same time.

Brunneus: a pure reddish dark brown [indian red].

Brush-like: antennae with the joints laterally produced and tufted
with short hair or bristles: see barbated.

Buccal: relating to the mouth cavity; rarely to the cheeks.

Buccal appendages: the mouth parts excluding the labrum: see
trophi. Buccal cavity: the mouth: = oral cavity.

Buccal fissure: the mouth slit or opening: the opening on each side of
the mentum.

Buccate: blown up, distended; especially the cheeks.

Bucculae: little cheeks or distended areas.

Budding: applied to that form of agamic reproduction found in plant
lice.

Bulla: a blister or blister-like structure: the shield-like sclerite that
closes the opening to the trachea in lamellicorn larvae: in Ephemerida
a part of the costal area of the fore wing toward the tip, which is
slightly swollen forward and furnished with more cross veins than
elsewhere; practically the stigma, q.v.

Bullate: blistered.

Bullule: a small blister.

Bursa: a pouch or sac: a wing pouch in male caddice flies and in
connection with a stalked hair pencil.

Bursa copulatrix: the copulatory pouch of the female in some orders;
a modification of the vagina.

C

Caducous-us: deciduous; easily detached or shed.

Caecal tubes or pouches: sac, or blind tube-like structures
surrounding the chylific ventricle at its junction with the crop, and
secreting a digestive ferment.

Caecum: a blind sac or tube-like structure serving as one of the caecal
tubes or pouches: see coecum.

Caelate: a surface with plane elevations of varying forms.

Caeruleus -eous: light sky-blue [between lavender and cobalt blue] =
coeruleus.

Caerulescent: with a tinge of sky-blue.

Caesius -eous: a pale dull blue-gray [blue-gray].

Caespiticolous: frequenting or living in grassy