jS EXPLANATION OF TERMS 



Malaxation : a kneading or softening; applied to the chewing and squeezing 



by fossorial wasps of insects captured as food for their larvae. 

 Male: that sex having organs for the production of spermatozoa: designated 



by J 1 , the astronomical sign for Mars. 

 Mallophaga: wool-eaters: an ordinal term applied to biting lice: wingless: 



mandibulate ; thoracic segments similar : no metamorphosis : = Lipoptera. 

 Malpighian tubules: long, slender tubules, varying in number, serving as 



excretory organs, entering the alimentary canal at the point of junction of 



chylific ventricle and ileum : said to be analogous with kidneys : = biliary 



vessels. 

 Mammilate: with nipple-like protuberances or processes. 

 Mandible: the lateral upper jaws of a biting insect. 

 Mandibular scrobe: a broad deep groove on outer side of mandible in some 



Coleoptera. 

 Mandibular segment: the fourth or mandible bearing segment of head. 

 Mandibulata: that series of insects in which the adults have functional man- 

 dibles used for biting. 

 Mandibulate: with jaws or mandibles. 



Manicate-us: fur-like: surface clothed with irregular depressed hair. 

 Manitrunk: that part of trunk that bears the anterior legs: = prothorax. 

 Manometabola: with a slight or gradual metamorphosis and without a resting 



stage ; e. g., the Orthoptera. 

 Manubrium: in Coleoptera ; that part of the mesosternum in Elatcridcc which 



forms the process for fitting into the cavity of the prothorax : in Coliembola : 



the basal part of the furculum. 

 Manus: the hand: formerly applied to the anterior tarsus. 



Marbled: irregularly mottled, gray and white, like marble; = marmoratus. 

 Marcescent: shrivelling. 



Margaritaceous: shining, like mother of pearl = nacreous : q. v. 

 Margin: that portion of a surface within the edge, bounded on the inner side 



by the sub-margin and consisting of a more or less dilated imaginary line. 

 Marginal: of, belonging to, or near the margin. 

 Marginal area: in Orthoptera ; see mediastinal area. 

 Marginal bristles: in Diptcra; are inserted on the posterior margin of the 



abdominal segment. 

 Marginal cell: in Diptera (Williston) ; = subcostal (Schiner) ; = radial i 



(Comst.) : in Hymenopteraj = radial i and 2 (Comst.) : in general that cell 



beyond the stigma. 

 Marginal field: in tegmina = costal field; q. v. 

 Marginal nervure or vein: in Orthoptera, = costa (Comst.): in Hymenoptera 



(Norton) = radius 3 (Comst.): in general, the vein forming the marginal 



cell. 

 Margined -ated: bounded by an elevated or attenuated margin: when the 



margin is edged by a flat border. 

 Marmorate -us: spots and lines irregularly disposed, as in marble : marbled. 

 Mask: in the nymphs of Odonata, the modified labium which, when at rest. 



conceals the other mouth parts. 



