78 THE ENTOMOLOGIST. 



l<ept the larvae and cocoons ; fig. 6 is taken from one of these. 

 Out of the whole number eight imagos were reared j these 

 were all females. I should not have known the male, which 

 Ilartig, loc. cit., has also not described, had it not been that 

 Mr. C. Ritsema had taken one (on the 8th of May, 1868) at 

 the Bolwerk at Haarlem, and had presented it to the 

 collection of our Society. The following is a description of 

 the female : — Length about four millemetres, expansion 

 eleven millemetres. Body short and compressed, the abdo- 

 men rather broad, and the penultimate segments somewhat 

 high ; thereby differing in form from many other Nemati. 

 Head and body shining, and of a black tint, more or less 

 tending to brown. The head and the back of the thorax are 

 thickly clothed with very short dark gray hairs. The antennae 

 are slender and filiform, more than half as long as the body; 

 in some individuals entirely black; but in most cases ferru- 

 ginous on the under side. The clypeus, above the labrum, 

 truncate ; labrum, base of mandibles and palpi reddish white. 

 On the thorax the tegulae are brown, and the cenchri gray. 

 The wings are somewhat smoky, yet iridescent; the costal 

 neivure and the stigma are of a pale brown tint, which might 

 be described as tea-colour (see fig. 6). The legs are pale 

 yellowish red, the tint of unripe yellow melon ; they are 

 darker in some individuals than in others. The bases of the 

 coxae and the middle of the femora are usually more or less 

 brownish ; in the posterior pair (fig. 7) the extremities of the 

 tibial and of the tarsal joints are pale ferruginous. 



The male differs in being much more slender, and, when 

 looked at from above, having a longer head ; also the abdo- 

 men is cylindrical, the anus being provided with two 

 horizontal valves ; added to this the antennae are longer, 

 being four-fifths of the length of the body ; they are entirely 

 ferruginous, with the exception of the upper surface of the 

 first three joints. Further, the course of the nervures at the 

 under side of the submarginal cells is somewhat different. 

 And, lastly, the legs are a little longer, the femora without 

 any brown colour, and the posterior tarsi nearly black. 



I am not acquainted with the egg; I suppose it is concealed 

 in wounds made in the veins of the leaf. The emergence of 

 the imago in July and the capture of another in May point 

 to two or more generations in the year. 



