82 The Philippine Journal of Science isis 



a.' Head quadrate or subquadrate, abdomen short and pointed, thorax with 



2 lateral filaments on either side. 



e\ Head about as broad as long, or slightly longer than broad; flagellum 



longer than the swollen scape; produced lobes of 2 basal joints of 



hind tarsi with a single spine each; head and body beneath with 



coxffi and femora thickly set with short stiff bristles; abdomen as 



long as, or longer than, thorax. 



f^. Head about as broad as long; 2 basal segments of hind tarsi as 



long as remainder of tarsus, the lobe of the second overlapping 



the last PMlotrypesis simllis. 



f. Head slightly longer than broad; 2 basal segments of hind tarsi 

 about one-half of the length of last segment, the lobe of the 



second not reaching the last PMlotrypesis ashmeadii, 



e'. Head broader than long; flagellum shorter than the linear scape; pro- 

 duced lobes of 2 basal segments of hind tarsi with 2 spines each; 

 head and body naked; abdomen shorter than thorax. 



Philotrypesis coUaris. 



Synopsis of female fig insects found in Ficus nota at Los Banos. 



o*. Ovipositor very short; head long, subrectangular ; antenna! scapes 



enormously enlarged so as to cover the mouth Blastophaga nota. 



o'. Ovipositor very long; head never subrectangular; antennal scape never 

 greatly enlarged so as to cover the mouth. 

 6*. Last 2 abdominal segments not tubularly extended. 



c\ Abdomen narrowed basally, waspish in shape Agaonella larvalis. 



c°. Abdomen very broad at base, not narrowed or waspish. 



cP. Antennae with 2 ring-joints; scutel quadrate Sycophaga nota. 



<f. Antennae with 1 ring-joint; scutel pentangular. 



Sycoryctes philippinensis. 

 6'. Last 2 abdominal segments tubularly extended. 



e'. Antennal scape 4 times longer than wide; length of first extended 

 abdominal segment, 2.4 mm.; ovipositor about 5 mm. long; color, 



clear brown Philotrypesis ashmeadil. 



e'. Antennal scape about 6 times longer than wide; color of body 

 largely a sharply contrasting yellow. 

 f. Largely yellow with a few dorsal black spots; length of first 

 extended segment, 1.75 mm.; ovipositor, 7 mm. 



Philotrypesis simllis. 



f. Pronotum and underparts clear yellow, remainder of dorsum 



black; length of first extended segment, 2 mm.; of ovipositor, 



4.5 mm Philotrypesis coUaris. 



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