926 FIFTH REPORT OF THE ENTOMOLOGICAL COMMISSION. 
PLATE XXII. 
FIG. 1. Melanophila ; Ibr, labrum aud front of 
head, with the antennae (ant) -, *', pro- 
thoracic stigma; n, oue of the abdom- 
inal stigmata. 
2. Xylotrechug colonus : tot., side view of head 
and tj succeeding segments. 
2a. Xylotrechus colonics, mouth parts: letter- 
ing as in other tigures. 
3. Xylotrechus colonus?, under bark of black 
birch, Providence, May 20. 
4. Details of mouth-parts of Saperda larva 
from willow trunk, represented at 
Plate XXI, Fig 4. 
5. Longicorn larva found under hemlock 
bark, The Glen, N. H., July 22. 
C. Longicorn larva found under bark of hem- 
lock, Bath, Me., Jul}- 30. Enlarged ; md,o, 
outer; md,i, inner side of the mandible. 
All the figures enlarged- Gissler del. 
PLATE XXIII. 
Fig. 1. Unknown larva from log of sweet gum 
tree, Houston, Tex. 
2. Pupa. Glen, N. H., July 22. 
3. Xeetobium affine, mouth-parts of larva. 
4. Hylurgops pinifex, and month-parts. 
5. Pistodes strobi, larva (9 mnl long) and mouth- 
parts. 
6. Pissodes strobi, pupa : hd, front of head and 
beak, with antennae; ab, end of abdo- 
men, with the fleshy lateral processes. 
Gissler del. 
PLATE XXIV. 
Fig. 1. Xyloteres bivittatus, larva. 
1*. Xyloteres bivittatus, pupa. 
2. Xyleborus ccelatus, larva. 
2 b . Xyleborus ccelatus, mandible. 
3. Xyleborus ccelatus, pupa, dorsal view. 
3*. Xyleborus ccelatus, pupa, end of abdomen 
much enlarged. 
4. Orypturgus atomus, larva. 
5. Orypturgus atomus, larva : md, mandible; 
mx\ labium. 
5». Orypturgus atomus, larva: md, mandible. 
5 b . Orypturgus atomus, maxilla. 
5 e . Orypturgus atomus, pupa, end of body. 
6. Chaicid parasite of X. ccelatus or Orypt- 
urgus atomus ; w, wing; ant, antennae. 
6 s . Chalcid parasite, larva, 2 mm in length. 
7. Unknown larva, 4 mm in length, under 
bark of pine, probably preying on 
lignivorons scolytid larvae. Maine. 
8. Pupa of longicorn larva, under bark of 
sycamore tree, Brooklyn, N. T. : p, 
end of abdomen seen from above. 
9. Hylurgops pinifex, pupa. 
All the figures enlarged. Gissler del. 
PLATE XXV. 
PLATE XXV— Continued. 
Fig. 2. Paleacrita vernata (before last molt), on 
Carya porcina and sometimes on oak, 
May 25, June 20: n. s., larva of natural 
size, bead downward; p s , third leg; mx 
and mx', maxilla and labium (the dotted 
line ends on the maxillary lobe or mala) ; 
sp, spinneret at end of lingua ; p, maxil- 
lary palpus; cly, clypeus; Ibr, labrum; 
I, fleshy lobe. 
3. Unknown larva, common under bark, prey* 
ing on destructive scolytid beetles. 
4. Unknown larva, yellowish, under bark; 
gmm j n i en gth ; ab, end of abdomen. 
5. Carabid larva, under bark of pine ; length, 
4miii_ 
All the figures enlarged. Gissler del. 
PLATE XXVI. 
Fig. 1. Nematus erichsonii head of larva before 
last molt, 
la. Same, full-grown larva. 
2. Maxilla of same, from above; g, galea j 
lac. lacinia ; palp, palpus. 
3. Same, underside ; mx, maxilla ; mxp, max- 
illary palpus, mx', labium ; mx'p, labial 
palpus. 
4. Mandible of same. 
5. Ptercmalus nematicida Pack., parasitic on 
same. L. O. Howard, del. 
6. Nematus integer, head and thorax; psc t 
praescutum ; sc, scutum ; scl, scutellum. 
6a. Same, ovipositor; 9, 10, 9th and 10th ab- 
dominal segments ; ov, ovipositor ; c, 
cercopod. 
66. Same, wing. 
6c. Same, antenna. 
7. Oelechia abietisella, larva enlarged (natu- 
ral size indicated by hair line). 
7a. Same, head and thoracic, and first abdomi- 
nal joints more highly magnified. 
76. Same, terminal joints on same scale as last. 
All the tigures magnified. 
(Packard— Gissler, del.) 
PLATE XXVII. 
Fig. 1. Pissodes strobi : a, larva ; 6, pupa seen 
from beneath. 
2. Mines made by the larva : 6, transforma- 
tion cells. 
3. "White-pine trees at Brunswick, Me., de- 
formed by killing the leading shoot 
when young. 
4. A large white-pine tree at Brunswick, 
Me., supposed to have been deformed 
by this weevil. Vose del. 
5. A white-pine tree in East Providence, R. 
I., deformed by this weevil. From a 
photograph by A. A. Packard. 
PLATE XXVILT. 
Fig. 1. Selandria larva, common on Carya porcina, 
with details of mouth-parts: leg, leg; 
mx, maxilla; gal, galea ( = mala ex- Fig. 1. Kermes sp. G. Marx del. FromComstock. 
terior); lac, lacinia (=mala interior). 2. Chionaspis pinifolii. Marx del. From 
Other letters an heretofore. Comstock. 
