 | On the insects, coleopterous, hymenopterous and dipterous inhabiting the galls of certain species of willow
Walsh Benjamin Dann (1864) Proceedings of the Entomological Society of Philadelphia 3: 543-641 |
 | Contribution to a knowledge of the autumn life-history of certain little-known Aphididae
Weed (1888) Psyche 5: 123-134 |
 | New Species of Fungi from Various Localities
J B Ellis and Benjamin M Everhart (1891) Proceedings of The Academy of Natural Sciences of Philadelphia 43: 76-93 |
 | Kansas Aphididae, with catalogue of North American Aphididae, and with host-plant list, part II
Sanborn (1906) Kansas University Science Bulletin 3: 225-275 |
 | Two Rhopalosiphum species and Aphis pulverulens, n. sp
Gillette (1911) Journal of Economic Entomology 4: 320-325 |
 | Notes on sawflies, with descriptions of new species
S A Rohwer (1912) Proceedings of The United States National Museum 43: 205-251 |
 | The genus Chaitophorus Koch in North America (Homoptera, Aphididae)
D Hille Ris Lambers (1960) Tijdschrift Voor Entomologie 103: 1-30 |
 | TYPES AND BIOLOGICAL NOTES OF THE EASTERN NORTH AMERICAN SAWFLIES OF PONTANIA COSTA AND PHYLLOCOLPA BENSON (HYMENOPTERA : TENTHREDINIDAE) DESCRIBED BY MARLATT, DYAR, AND ROHWER
A G Zinovjev and D R Smith (1999) Proceedings of the Entomological Society of Washington 101: 359-371 |
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