lO EXPLANATION OF TERMS 



Antero-ventral: Dit^tcra ; applied to leg bristles at the meeting of anterior and 



ventral face. 

 Anthobian: feeding on flowers; applied to certain lamellidorn Colcof^tcra in 



which the labium extends beyond the mentum. 

 Anthophila: Hy.nenoptera ; species in which the basal joint of the hind tarsus 



is dilated and pubescent ; the bees. 

 Anthracine -us: coal black; black with a bluish tinge. 

 Anti: over against; opposite; contrary: (prefix). 

 Anticus: frontal; belonging to or directed toward the front. 

 Antigeny: opposition or antagonism of the sexes; embracing all forms of 



secondary sexual diversity. 

 Antinodal costal spaces: Odonata; the cells between costa and sub-costa, 



from the base to the nodus ; := antecubitals. 

 Antisquama: Diptera; the upper of the two alulje, which moves with the 



wings ; ^ antitegula ; see also squama. 

 Antitegula: see antisquama. 



Antlia: the spiral tongue or haustellum of Lcpidopfera. 

 Antliata: insects with a sucking mouth; originally applied to Lepidoptcra and 



Diptera, later and more specifically to Diptera. 

 Antrorse -sum: directed toward the front. 



Anus: the end of the digestive tract, through which the food remnants are 

 passed : the posterior part of the individual : specifically, in Coccidcc, a more 

 or less circular opening on the dorsal surface of the pygidium, varying in 

 location as regards the circumgenital gland orifices : ^ anal orifice. 

 Aorta: the anterior, narrow part of the heart, opening into the head. 

 Apex: that part of any joint or segment opposite the base by which it is 

 attached ; that point of a wing furthest removed from base or at the end of 

 the costal area. 

 Aphaniptera: indistinctly winged; see Siphonaptcra. 

 Aphideine: see aphidilutein. 

 Aphidilutein: a yellowish fluid found in plant lice, changed to a rich violet 



by alkaline reagents. 

 Apical: at, near or pertaining to the apex ; usually of a wing. 

 Apical area: see petiolar area. 

 Apical areas: apical cells in some Hoinoptera. 



Apical cell: a cell near or at the apex of a wing; in Hymenoptera (Norton) ; 

 ^medial (Comst.) ; outer apical cell = 2d medial 2 (Comst.) ; inner apical 

 cell ::= medial 3 (Comst.). 

 Apical cells or cellules: Trichoptera : the series of cells along the outer 



margin of wing from pterostigma to arculus. 

 Apically: toward or directed toward the apex. 

 Apical sector: one of the longitudinal veins in the apical part of wing of 



X ciiroplcra. 

 Apical transverse carina: Hymenoptera ; crosses the metanotum behind mid- 

 dle and separates the median from the posterior cells or areas. 

 Apiculis: an erect, fleshy short point. 

 Apiculate: covered with fleshy, short points. 



