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Multiple prey capture, the behaviour of a predator attacking prey whilsthandling a previously caught item, occurs in a variety of spiders that do notbuild webs. The effects of recent feeding history on the frequency of multipleprey attacks, handling time, ingestion rate, and intercatch intervals wereexamined experimentally in the wolf spiderLycosa lapidosa McKay. Juvenile spiders were subjectedto two different feeding regimes (starvation for 14 and 28 days) and thenprovided with two different prey types (blowflies,Lucilia cuprina, and crickets,Acheta domestica). These two starvation levels or preytypes had little effect on the frequency (75%) of multiple preyattacks. Spiders ingested approximately half the weight of any captured prey,regardless of how many prey items they attacked. At the same time, thehandling time per prey item decreased with an increasing number of preyattacked. This indicates a more efficient ingestion rate when more prey areconsumed. While the attacking time for the first prey was the same for alltreatments, the first intercatch interval was longer for spiders that werestarved longer. Chronically starved L. lapidosa appearto secure a previously caught item rather than optimise their capture rate byattacking further available prey.

australian journal of zoology

Multiple feeding in wolf spiders: the effect of starvation on handling time, ingestion rate, and intercatch intervals in Lycosa lapidosa (Araneae : Lycosidae)