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near the top. At Orange a Sinoxylon declive was found in its burrow 
in a piece of orange wood turned into a potato masher and left in the 
turning lathe over night. The beetle had burrowed into this stick dur- 
ing the night. } 
Sinoxylon suturale. —Found several pup and a few recently trans- 
formed beetles in their burrows in dead grape vines October 4. They 
were mostly at the joints, usually two ateach joint. In one of the bur- 
rows I found a parasitic pupa not inclosed in a cocoon. The parasite 
issued October 28. — 
Amphicerus punctipennis.—On the 4th of October I found two of these 
beetles in a burrow in a dead and dry branch of a fig tree. March 26 
I found three beetles, each in a burrow in a dead and dry grape cane. 
They had evidently burrowed into the cane while in the beetle state, 
since their heads were turned in an opposite direction from the mouth 
of the burrow. Two of the beetles were dead, but the third was still 
alive. 
Psoa neculain: —Found many larve in dry apple limbs October 9. 
Several had entered the tips of the lateral short branches and extended 
their burrows down the main branches, packing them with a sawdust- 
like substance. October 11 I found several larve and one pupain dead 
and dry prunings of grapevines. 
On the Ist of January I found four beetles and eleven pup in a 
rotten stem of Audibertia polystachya; the beetles had but recently es- 
caped from the pup and no larve were found: By the 14th of Janu- 
ary four beetles hadissued. I captured a beetle of this species at Santa 
Barbara April 11. 
Lyctus striatus.—Found several pupe in a dead grapevine October 4; 
they were in their burrows between the joints. Two beetles issued 
October 10, and three others were in their burrows October 22. 
October 28, 1888, I obtained several pieces of wood from a trunk of 
an orange tree that had been cut down about two years previously; at 
that time there were numerous round holes in it about one-sixteenth of 
an inch in diameter, and upon splitting it open I found a great many 
burrows closely packed with the gnawed wood. I inclosed this wood 
in a tin can, and one beetle was found June 1, 1889; the can was last 
examined May 15. When next examined, June 19, three beetles were 
found; twelve were found July 20 and three July 26. 
March 21 I obtained several pieces of dead and dry sycamore wood 
containing the burrows of wood-boring insects, and June 1 two living 
and two dead beetles of this species were found. ts box was last 
examined May 15. 
Phymatodes juglandis.—These beetles were in their burrows in the sap- 
wood just beneath the bark of a branch of Juglans californica March 
9. Some of them were still soft, having but recently issued from the 
pupa state. In this same situation I found a pupa and several legless 
larvee, evidently of this species. 
17754—No. 7——3 
