1. Oligoplectrum maculatum Fourcroy 



Pictet, 1834:180, Plate XIV, Figure 4.— Brauer, 1857:XIX. - Klapalek, 

 1893:59—63.- Ulmer, 1903:88; 1909:277, Figures 415, 319, 466, a.- Lestage, 

 1921:873-878, Figure 313.- Nielsen, 1936:255-266, Figures 1-6; 1943:1-87, 

 Figures 1-21, Plate I— III. 



Full-grown larva. Length 9.0— 1 1 .6 ram. Head (Figure 641) mainly 

 chestnut brown, lighter in preparations; eyes on a yellowish brown spot; 

 antenna situated in middle between eye and margin; sensilla dark, with a 

 small, thin seta. Dorsal surface of head mainly flat, flat area bordered by 

 dark ridge, less distinct in posterior part, in form of a horseshoe-shaped stripe. 

 Frontoclypeus with several large, light dots in posterior part. Surface 

 lateral to frontal sutures, chestnut brown, light dots at posterior branch only 

 slightly visible, even in preparations; lateral and ventral sides of head, 

 lighter, brownish. Gula (Figure 641, B) trapezoidal, large, chestnut brown, 

 wider anteriorly, length and width almost equal, in contrast to Oligo - 

 plectrodes. 



(388) 



FIGURE 641. Oligoplectrum maculatum Fourc. Head, 

 dorsal (A) and ventral (B),head and prothorax, lateral (C) (after 

 Nielsen) 



Anterior-margin setae light brown, moderately long, median seta larger 

 than intermediate, lateral seta light, large, curved inward. Anterior frontal 

 seta thinner and smaller, light; intermediate frontal seta very small, 

 posterior frontal seta thin, brown, moderately long. Seta 7 situated ventral 

 to ridge, laterally near antenna, light, moderately long; seta 10 small, light. 



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