353 



CONTENTS 



Seven larval stages Indicated, 470. Habits of the larvae, 471. Their burrows in the 

 earth, 471. Feeding on raw meat, 471. Pugnacity of the larvae, 471. Probably canni- 

 balistic, 471. Manner of locomotion, 472. How they obtain their food, 472. Length 

 of larval existence, 472. Pupation, 472. The pupa, 473. 



BlTTACUS 8TRIGO8US 473 



How it differs in appearance from Panorpa, 473. Venation of the wings represented, 

 473. Where the Iiisect is found, 474. Resemble the Tipulse in flight, 474. Hangs by 

 the front legs when at r«-8t, 474. Position of the limbs, 474. Method of capturing its 

 prey, 474. How its victim is seized and held, 474. Adaptation of the tarsal joints for 

 the purpose, 474. Habits of the wingless B. apterus of California, 474. Bittacus preys 

 only on living insects, 475. Its voracity, 475. Preference for flies, although other 

 insects are eaten, 475. Maybe classed among beneficial insects, 475. Is local and of 

 comparative minor economic importance, 475. Probably feeds on mosquitoes, 475. 

 Habits of European spec'es, 475. Their vivarium, 475. No such chamber observed 

 in Ameritjan species, 475. Hatching of eggs influenced by degree of moisture, 475. 

 May remain unhatched for two years, 475. A remarkable organ from between the 

 appendages of tenth abdominal segment of the male, 476. May be the rudiment of a 

 once important organ, 476. Imago stage may be of a month's duration, 476. Short- 

 lived in confinement, 4T 6. Oviposition of B.pilicornis, 476. Less abundant than B. 

 strigosus, 476. Number of eggs in B. strigosus, 476. A long extended production and 

 development of the eggs, 476. Eggs dropped at random, 476. Description of the egg, 

 476. Probably winters in the egg stage, 477. Larva unknown to the writer, 477. 

 According to Brauer, Bittacus larva does not burrow, 477. How it differs in appear- 

 ance from Panorpa, 477. Conduct when disturbed, 477. How they pupate, 477. 

 Length of pupal stage, 477. Partial Bibliography of Panorpa and Bittacus, 477, 478. 

 Explanation of plates, 479, 4f0. 



(B) LIST OF DATES OF COLLECTIONS OF LEF I D OPTER A (HETEROCERA) 481 



Sphingidae, Bombycidae, and Noctuidae, 481, 482. Geometridae, Pyralidae, and Tortrl- 

 cidae, 483. 



(0) LIST OF PUBLICATIONS OF THE ENTOMOLOGIST 484 



How to Prevent the Ravages of the Cabbage-Maggot: A Destructive Elm-Tree Bark- 

 Borer: Plant- Lice, 484. The Angoumois-Moth, Sitotroga cerealella: Report of the 

 Committee on Entomology: The Periodical Cicada, 485. Mites Attacking Mushrooms: 

 Flower Crickets and Apple Twigs: The Onion- Fly— Phorbia ceparum: Miss Ormerod'B 

 Report, 466. Myriapods and Mites in •« Scabby " Potatoes: 8praying for Codling-Moth: 

 [Insects on Lettuce and Cabbage:] The Clover-Hay Worm — Pyralis costalis (Fabr.), 

 487. When to Spray: Clover-Leaf Weevil: Apple-Tree Borer: The Bud-Worm: A 

 Danger to Apple Buds, 488. The Pear-Midge: The Invasion of Plant-Lice in New York: 

 The Apple-Tree Aphis: Some Potato Pests: A Greenhouse Peet, 469. The Apple-Tree 



