. The large larch sawfly (Nematus erichsonii) [microform] : with an account of its parasites, other natural enemies and means of control. Insect pests; Tenthrède du mélèze; Larch; Insectes nuisibles, Lutte contre les; Larch sawfly; Mélèze. ,5| â !i *'! n I Hi â I I 32 Ratieburi bred Pteromalus (Digloehw) klugii in 1841 from the cocoons of V enchsonix coUected in the Grand Duchy of PosJn; I do -xot know T^T^ili quent records of the species having been reared from this host ^ Microcryptus labralis Grav. «ârf,S tTr*'* *'''i'' wj^"* d?«cril,ed by Gravenhorst under the name Phy- O^^euon
. The large larch sawfly (Nematus erichsonii) [microform] : with an account of its parasites, other natural enemies and means of control. Insect pests; Tenthrède du mélèze; Larch; Insectes nuisibles, Lutte contre les; Larch sawfly; Mélèze. ,5| â !i *'! n I Hi â I I 32 Ratieburi bred Pteromalus (Digloehw) klugii in 1841 from the cocoons of V enchsonix coUected in the Grand Duchy of PosJn; I do -xot know T^T^ili quent records of the species having been reared from this host ^ Microcryptus labralis Grav. «ârf,S tTr*'* *'''i'' wj^"* d?«cril,ed by Gravenhorst under the name Phy- O^^euonlabrahs, was first bred in 1909 from A'. encAaonu'collect«« fn ?he EnSh Ihstrict Smee that year it has been found each year in naduai?v in thought It might be a hyperparasite. I am of the opinion, howe <«r from it^ beha^^our that .t .. a primary parasite, tiiough, a. br^X Vx^rimeilt'. ⢠Via. l9âyticroerypl)u Cimv sTre'opin!on'"trTQirIh' "'"'' P^'*""* T"' ^^'- ^'''"K"" (»»'0) is of the Wi^abomi ^' Tâ IQ^, ⢠P^f.'-entage of cocoons parasitised by M. labralis mfre out of l' iJS '" "Vo*"'^ 'â¢* °''*''' "^ '^^ ^^^O' *« ^^'^nada from Thiri- centaKe of 16 ' '*'""''' ^^ ^P^^""^"'* "^ '^'- ^"'"â¢"''^ wore reared i,eing a per- Aplesis nigrocincta Filrster. co,. n^ ^Peoniens of this pecuhar wingless icimeumon were reared from ir^ roL- K K «"''^«o"",'n»Ported from Thirimere, England, in 1910 and 1911 It IS reddish-brown m colour with the head, metathorax, pos er or half of dors,li The specimens emerged during the latter half of May 1910 and 1911. Spilocryptus incubilor Strom. on fhT'^JItif^;',-^'.: "xl ^â¢''"*'*''' °f â¦'"^ ^â¢'^â 'â¢'^â¢'^ with deformed wings emerired Cctlichneumon fuscipes Grav. 25th'Anrif'*lQrn''r"' °^ V"' ^''**'&
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Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsectp, bookyear1912
