I20 P. VAN DER GOOT, NOTES OR ORIENTAL APHIDIDAE. 



about the breadth of one gland in 0. muiri and only a 

 hairbreadth in 0. nipae. 



1 have taken the pleasure in naming this species after 

 Mr. Fred. Muir, the well-known entomologist of Hawaii", to 

 whom I am much indebted for many an advice in entomo- 

 logical matters during his staying in Pasoeroean (Java). 



OREGMA SINGAPORENSIS n. sp. 



Apterous viviparous female. 



Measurements. 



Length of body 1.45 m.m. 



Breadth of body 0.86 » 



Length of antennae 0.27 » 



Siphunculi (diam.) 0.02 » 



Length of cauda 0.05 » 



Length of hornlets 0.05 » 



Colour. 



Body uniformly pale yellow or slightly greenish }-ellow, 

 without distinct dark green markings. Sides of body with a 

 distinct waxy secretion, well developed especially on the 

 abdominal segments. 



Eyes black. Antennae pale yellow. Legs pale yellow, tarsus 

 darker. Siphunculi with a broad brownish-yellow rim ; cauda 

 pale yellow. 



Morphological characters. 



Body ovate, the dorsum with transverse rows of fairly 

 long hairs. Waxglands distinctly developed (see below). 



Front furnished with two teeth or hornlets, broad at the 

 base, sharply pointed at their apex, about as long as the 

 first and second antennal joints together. 



Antennae very short, only ^/g the length of the body, 

 four-jointed; relative length of the last two joints as : 21, 16. 



Rostrum reaching to the second pair of coxae. 



Siphunculi reduced to small pores. Cauda broad, wartlike, 

 slightly constricted at the base. Anal plate distinctly bilobate. 



Legs moderately well developed, the tibiae with some 

 strong bristles. 



