liave been watched with profound interest. One, two, or even more of these are 

 hidden together under their slighl covering, poking theii pointed heads out here and 

 there at the Bides, and if one of the mealy bugs comes quietly passing by, it is hut 

 an instant until this is fastened down with a silken rope and left helplessly strug- 

 gling until Wanted, or devoured at once as the ease may lie. So numerous Were the 



larvie that all the midribs of the leaves of Pittosporum, oleander, tig trees, etc., 



where i he COCcids were numerous, show I'd dense masses of dead mealy bugs and re- 

 mains of Buch spun together. Probably in about one week the larva will (lose up 

 its surrounding by making a rather dense silken web, within which they pupate. 

 One of the larva that Bpun up on March 25, 1892, produced the mature insect on 

 April !. 1892, taking about three weeks for the whole transformation. Upon the 

 same Dactylopius a small interesting chalcid was bred in large numbers. These lay 

 their eggs singly into the young coccids. The mwlv hatched maggots will feed on 

 the contents of the mealy bugs and pupate within the apparently blown coccid. 

 riiis Dactylopius became very uumerous during February and March, but when the 

 THplos\8, the chalcid, together with Cryptolamus Monirouzieri Muls., Mydus pygmama 

 Blackb., as the principal factors began war upon them, it was but a very short time 

 until the vast army of mealy hugs was reduced to bu1 a few straggling specimens. 

 A similar Diplosis, if not the same, isalso quite numerous and preying on Diaspis fim- 

 briata Mask., a numerous scale upon Eugenia Smithi at Sydney,, New South Wales. 

 The insect was also bred. 



/.. 8tophonua i<; rya Skuse. — On the 1 1th of March, 1892, three long and narrow pale 

 orange-colored eggs with darker markings were observed upon a full-grown Icerya 

 purchasii Mask., at Sydney, placed irregularly upon and close onto the skin, one in 

 front, the second on the side, and the third upon the posterior part of scale. These eggs 

 appeared fresh when first found and the Icerya very active ; about one week after 

 it appeared to be sickly and finally shrank and dried np. On April 2. 18U2, one of 

 the dies came out and the other two the following day. This will show that the 

 time required for transformation of these flies, from egg to mature insect, is 

 about three weeks in moderately warm weather, and naturally the supposition of 

 Mr. Koebcle in his "Trip to Australia,'' that this insect is hut about two-brooded is 

 wrong. Twonew forms of Lestophonidswere bred, the onefrom Monophlebus fuscus 

 Mask., infesting Casuarina in New South Wales, and the second upon Monophlebus 

 australe Mask. This latter closely resembles L. iceryw Skuse, but is about twice as 

 large. All the new- Diptera were turned over to Mr. Skuse, ot the Australian Mu- 

 seum, Sydney, for description. Among these were several new species of Oscintds 

 hied from larvae preying upon various Aphids, and one on Eriococcus eucalypti. This 

 latter was bred on my former trip and sent to Prof. Riley.* 



On March 15, 1892, three small, pale white larva' fell out of an egg mass of Icerya 

 purchasii Mask., used as food for Novius. These were placed in a small vial within 

 which tiny fastened themselves wit h a sticky fluid on the side of the glass by the 

 lasl segment and bo changed to naked pupae. Alter one week these became black 

 and the chalcid issued on March 26, 1892. This proved to he the same insect as 

 hied on my former trip from larva' found preying on the eggs of Icerya and sent to 

 Prof. Riley with notes, who described the insect from specimens received from the 

 late Mr. Crawford, as Ophelosia crawfordi Riley. 



M my .»f in-- Aph:de in Australia are found dead and always nave a blackish color. From this I 

 bred a »ui:ill chalcid appareutlj parasitic upon this. 



