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REPORT ON ZOOLOGY, MDCCCXLIII.
Sch.j Sitones seniculus, Lixus poricollis, modestus, Heilipus scrobieulatus,Anthonomus brunnipennis, Sphenophorus discolor, subcarinatus, Bostrichus ter-minalis. 2. From Sitka — Apion cuprescens, Rhyncolus brumeus , Esch.,Hylurgus sericeus, obesus, Esch., mgipennis, pumilus, Bostrichus cavifrons,septentrionis, nitidulus.
The metamorphosis of several of the rhynchophorous Beetles has beenobserved. 1. That of Choragus Sheppardi, by Leon Dufour (Ann. de la Soc.Ent. de Er. i, p. 313); it lives in the dry branches of the Whitethorn(Cratcegus oxyacanthd). 2. Of Apion apricans, Hbt., by Guerin (ib. p. 65);inhabits the seeds of Clover ( Trifol.pratense ). Calyptus macrocephalus (JSubaz.macr., Nees), among the BRACONiDiE, and Pteromalus pione, Walk., one ofthe Pteromalina, have been observed as parasites. 3. Lixus turbatus,Gyll., by Eversmann (Bull. Mose. p. 530); lives in the Southern Ural, onAngelica archangelica. 4. Ceutorhynchus macula alba, by Klingelhofer (Ent.Zeit. s. 88); inhabits the heads of all the species of Poppy. 5. donasscrophularice, by Huber (Mem. de la Soc. de Phys. et d’Hist. Nat. deGeneve, x, i, p. 15). 6. Hylesinus hedcrte, Schmitt (Ent. Zeit. p. 108), a
new species allied to H. rhododadylus, living on dry Ivy branches.
Robert (Ann. de Sc. Nat. xix, p. 12), has written upon the injury causedespecially by the Scolytus pygmaus, to elms and oaks. The avenues of elmsin the high roads in the neighbourhood of Paris are in particular veryobnoxious to the attacks of this insect. The author proposes two methodsfor the preservation of these trees, both of which, however, appear to berather extraordinary. 1. To cover them with an air-tight coating (as, forinstance, of caoutchouc), by which the insects, together with the larvae, aresuffocated. 2. To make longitudinal or oblique incisions through the barkat certain distances, and to allow these incisions to cicatrize, since the authorstates that he has observed that the Scolytus spares such cicatrices.
Colydii. —Aubd (Ann. de la Soc. Ent. de Pr. 2 sdr. i, p. 93, pi. 4) hascharacterized a new genus, Philothermus, which is very closely related toCerylon, and is distinguished chiefly by the evidently eleven-jointed antenn®,with two-jointed knobs. The oral organs, also, correspond very closely withthose of Cerylon, excepting the tongue, which differs in consistence and form.Ph. montandonii has been found in France in tan-beds; our collectionpossesses various American species.
Guerin (ib. p. 69, pi. 2), has published a new species of Myrmecixenus, M.vaporariorum, found in forcing-houses for pines. It occurs also in Germany .
Manncrheim (Bull. Mosc. p. 300) gives a short description of Bhagoderatuberculata, Esch., from California ; the characters of this genus, which isvery closely allied to Sarrotriwm are, however, by no means established.
A new species is, moreover, Cis vituhs, Mannerh. (ib. p. 299), fromCalifornia .