130 EXPLANATION OF TERMS 



Stomatogastric: that system of nerves and ganglia, lying along the dorsal and 

 lateral surfaces of gullet and crop. 



Stomatotheca : that part of the pupa covering the mouth structures. 

 ^Stramineous -eus: straw yellow [pale clay yellow]. 



Strangulate: constricted, as if by bands or cords. 



Stratified: arranged or made up in layers. 



Strepsiptera: twisted-wing: an ordinal term proposed for the parasitic Stylo- 

 pidcp, now ranged as a family of Coleopfera =: Rhipiptera. 



Stria: in Coleoptera, a longitudinal depressed line or furrow, frequently punc- 

 tured, extending from base to apex of elytra: in Lepidoptera, a fine trans- 

 verse line : in general, any longitudinal impressed line. 



Striate -ed: marked with parallel, fine, impressed lines; or, in Lepidoptera. 

 with numerous fine transverse lines. 



Stridulate: to make a creaking noise by rubbing together two ridged or rough- 

 ened surfaces. 



Stridulation: a creaking sound produced by rubbing together two striated or 

 otherwise roughened surfaces : the act of stridulating or the noise produced 

 by it. 



Striga: a narrow, transverse line or slender streak, either surface or im- 

 pressed. 



Strigate: having striga: applied to a surface on which the striga are impressed 

 as in the elytra of some beetles, or to an ornamentation composed of fine, 

 short lines. 



Strigile-is: maculation that consists of parallel longitudinal lines: a deep 

 sinus near base of first joint of anterior tarsus. 



Strigillate -ation: := stridulate -ation ; q. v. 



Strigose: clothed with rigid bristles that are thickest at base: rough, with 

 sharp bristles : = hispid. 



Strigula: a fine short transverse mark or line. 



Strigulated: with numerous strigulae. 



Striolate -us: with finely impressed parallel lines. 



S. T. space: the area between the t. p. line and s. t. line in moths. 



Stripe: a longitudinal streak of color different from the ground. 



Style: in Aphids, the slender tubular process at the end of the abdomen: 

 in Coccids, a long spine-like appendage at the end of the abdomen of the 

 male; := genital spike: in Diptera, the ovipositor (Loew) ; the single im- 

 movable organ immediately below the forceps in male Tipulidcc (0-S.) ; a 

 thickened jointed arista at or near the tip of the third antennal joint: in 

 the plural form applied to small, usually pointed, exarticulate appendages, 

 most frequently found on the terminal segments of abdomen. 



Stylet: a small style or stiff process: one of the piercing mouth structures in 

 Diptera and Hemiptera. 



Styliform: in the shape of a stylus: terminating in a long slender point, like 

 the antenn.'c in some Diptera. 



Stylopized: infested by a member of the Stylopidcc. 



Stylotrachealis: with a long tube bearing a stigma, from the head case: as 

 the pupa; of some Diptera. 



