12 EXPLANATION OF TERMS 



Decurrent, closely attached to, and running down another body. 



Decurved, bowed downwards. See excurved. 



Decussated, in cross-pairs ; pairs alternately crossing each other. 



Deflected, bent downwards; (wings) incumbent but not hori- 

 zontally, the outer edges declining towards the sides. 



Dehiscent, gaping ; open or standing open ; deeply emarginate. 



Deltoid, triangular spear-shaped ; trowel-shaped ; having the 

 general appearance of a triangle, with the terminal angle much 

 further from the base than the lateral ones. 



Dendroid, shrub-like; having the appearance of a little tree. 



Dentate, toothed ; with acute teeth, the sides of which are equal, 

 the tip being opposite to the middle of the base. See serrate. 



Dentate-serrate, tooth-serrated ; the denticulations being them- 

 selves serrated on their edges. 



Dentate-sinuate, toothed and indented. 



Denticulated, set with little teeth or notches. 



Denuded, or denudated, destitute of covering ; (wings) without 

 scales or hair. 



Dependent, hanging down. 



Depressed, pressed downward ; more or less flattened vertically ; 

 the vertical diameter much shorter than the transverse diame- 

 ter. See compressed. 



Detonant, exploding ; emitting a sudden noise. 



Diaphanous, semitransparent; clear. 



Dichotomous, forked ; dividing by pairs. 



Diffracted, bending in different directions. 



Diffuse, spreading. 



Digitate, finger-like ; divided like fingers nearly to the base. 



Digitus, the terminal joints of the tarsus and manus, divided 

 into unguis and pulvillus. 



Dimidiatus, half round ; extending half way round ; (elytra) 

 covering but half the tergum. 



Dioptrate, applied to an ocellate spot, of which the pupil is 

 divided by a transverse line. 



Diptera, that order of insects comprehending those that have 

 only two wings. 



Disk, the surface within the margin. 



Dislocated, applied to designate a stria or line which is inter- 

 rupted in its continuity, but of which the tips at the inter- 

 rupted parts are not in a right line with each other. 



Dissilient, bursting open elastically. 



Distinct, (antenna?) not united at base. 



Divaricate, straddling; spreading out ; (wings) incumbent, but 

 diverging behind. 



