. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. Ill Another enemy of some interest, although probably of small impor- tance, is the wasp Eimienes hollii Cress. On one occasion a nest of this species was found by Mr. Bishopp on a cotton leaf at Ladonia, Tex. The nests are constructed of mud and stored with caterpillars as food for the young wasp grub, which matures inside the clay nest. There can hardly be any reasonable doubt that the wasp building in this situation made use of bollworms for storing its nest. Quite a number of spiders w^ere observed at various
. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. Ill Another enemy of some interest, although probably of small impor- tance, is the wasp Eimienes hollii Cress. On one occasion a nest of this species was found by Mr. Bishopp on a cotton leaf at Ladonia, Tex. The nests are constructed of mud and stored with caterpillars as food for the young wasp grub, which matures inside the clay nest. There can hardly be any reasonable doubt that the wasp building in this situation made use of bollworms for storing its nest. Quite a number of spiders w^ere observed at various times destroying the boUworm in its different stages. In three of these cases moths had been captured, once at Victoria by a large specimen of Lycosa riparia Hentz (PI. XYIII, fig. 2), and again at Paris, Tex., and also at Ladonia b}'' a jumping spider {Attus fasciolatus Hentz). A specimen of the same species of Lycosa^ which was kept in captivity during the sum- mer, proved to be very fond of bollworm larvae and moths, devouring several during the course of a day. A small striped Attid spider (Dendryphantes nuMUs Hentz) was not infrequently seen nesting beneath the involucres of the cotton squares at Paris, and on three different occasions they were observed with one- eighth to one-fourth grown larvae which they had captured in these situations. Another form {Attus cardi- nalis Hentz) was seen at Calvert, Tex., during August, 1903, with a half-grown bollworm in its jaws. No Texas ants have been observed in the act of capturing any large larvae or moths, and it is probable that none of them do so, except under very excep- tional conditions. Several times larvae which had most probably been previ- ously injured were being devoured by ants, and once a moth which had emerged under a jar in the garden was found dead soon afterward, literalh^ covered with the little yellow "thief ant," Solenopsis texana Em. That t\\Qj were the cause of its death is, however, exceedingly d
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